A golf ball is hit and makes a 45S1U1P1$\circ$S1S1P0 angle with the horizontal as it leaves the tee.It lands 200 m away.What was the ball's initial speed?

A) 35.11 m/s B) 26.82 m/s C) 44.27 m/s D) 56.82 m/s E) 31.44 m/s A) 35.11 m/s B) 26.82 m/s C) 44.27 m/s D) 56.82 m/s E) 31.44 m/s

A ball is thrown upward with a velocity of 17.0 m/s at an angle of 50.0S1U1P1$\circ$S1S1P0 with respect to the horizontal.What will be its speed in m/s after 0.800 seconds?

A) 6.5 B) 19.8 C) 17.0 D) -5.4 E) 12.1 A) 6.5 B) 19.8 C) 17.0 D) -5.4 E) 12.1

A golf ball is hit horizontally from the edge of a ramp.It lands at an elevation 200 m below and its trajectory upon landing is 45S1U1P1$\circ$S1S1P0angle below the horizontal.What was the ball's initial speed?

A) 34.7 m/s B) 27.5 m/s C) 51.8 m/s D) 62.6 m/s E) 45.3 m/s A) 34.7 m/s B) 27.5 m/s C) 51.8 m/s D) 62.6 m/s E) 45.3 m/s

A child kicks a football with an initial velocity of 25.0 m/s at an angle of 38S1U1P1$\circ$S1S1P0above horizontal.The ball lands at the same height from which it was kicked.What is the range of the ball?

A) 24.7 m B) 39.3 m C) 51.8 m D) 61.8 m A) 24.7 m B) 39.3 m C) 51.8 m D) 61.8 m

Exam 3: Motion in Two and Three Dimensions

A boat crosses a river which is flowing at 10.0 m/s.The driver of the boat wants to cross the river and arrive directly across the river from where he departed (point A to point B).If the speed of the boat relative to the river is 15.0 m/s,what angle, $\theta$ must the driver steer the boat? $A boat crosses a river which is flowing at 10.0 m/s.The driver of the boat wants to cross the river and arrive directly across the river from where he departed (point A to point B).If the speed of the boat relative to the river is 15.0 m/s,what angle, \theta must the driver steer the boat?$

(Multiple Choice)

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Question 41

You are walking to catch your plane and decide to take the moving sidewalk in the airport.It has an average speed of 2.0 m/s.If you are walking with a speed of 1.5 m/s and the walkway is 85.0 m long.How long will it take you to travel the 85.0 m?

(Multiple Choice)

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Question 42

A golf ball is hit and makes a 45^$\circ$ angle with the horizontal as it leaves the tee.It lands 200 m away.What was the ball's initial speed?

(Multiple Choice)

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Question 43

The wind is blowing due west with a speed of 16 m/s,and a pilot with a 30 m/s plane wants to fly due north.Which picture below best describes what the heading of the plane should be?

(Multiple Choice)

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Question 44

A particle moves from an initial position with coordinates x = -2.0 m,y = +3.0 m,to a final position with coordinates x = +5.0 m,y = +7.0 m in a time interval of 10 s.What is the magnitude of the average velocity for this displacement?

(Multiple Choice)

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Question 45

A ball is thrown upward with a velocity of 17.0 m/s at an angle of 50.0^$\circ$ with respect to the horizontal.What will be its speed in m/s after 0.800 seconds?

(Multiple Choice)

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Question 46

An airplane moves at 120 m/sec to the west with respect to the air.The air moves at 50 m/sec to the south with respect to the ground.How fast does the airplane move with respect to the ground?

(Multiple Choice)

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Question 47

At what angle measured with the horizon must a projectile be launched such that its range is equal to its maximum height? Ignore air resistance.

(Multiple Choice)

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Question 48

A baseball is hit at a 45^$\circ$ angle with a speed of 50 meters/second.How far does it go (in meters)before it hits the ground (within 5% accuracy)? (Ignore wind resistance and assume that the ground level is the same as the level it was hit from.)

(Multiple Choice)

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Question 49

A ball is thrown from the ground.Its velocity after 4 seconds is (15 -3 )m/s.The hang time of the ball is

(Multiple Choice)

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Question 50

A golf ball is hit horizontally from the edge of a ramp.It lands at an elevation 200 m below and its trajectory upon landing is 45^$\circ$angle below the horizontal.What was the ball's initial speed?

(Multiple Choice)

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Question 51

A projectile is launched at 10.0 m/s in a direction 45.0 degrees above the horizon.It hits the ground 10.0 m below its initial position.What is its speed just before hitting the ground? Ignore air resistance.

(Multiple Choice)

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Question 52

A bullet is shot horizontally from the edge of a cliff at a height of 100 m above the ground.The initial speed of the bullet is 150 m/s.It hits the ground from the base of the cliff at a horizontal distance of

(Multiple Choice)

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Question 53

A boat crosses a river which is flowing at 6.0 m/s.The boat travels directly across the river from A to B and the speed of the boat relative to the river is 10.0 m/s.While it is crossing the river,what is the speed of the boat relative to the shore (point a)

(Multiple Choice)

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Question 54

A child kicks a football with an initial velocity of 25.0 m/s at an angle of 38^$\circ$above horizontal.The ball lands at the same height from which it was kicked.What is the range of the ball?

(Multiple Choice)

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Question 55

An object is launched up a 30 degree slope at an angle of 20 degrees above the incline of the slope and lands a distance of 3.12 m up the slope.What is the object's initial speed?

(Multiple Choice)

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Question 56

A machine can toss a golf ball a distance of 120 m on a level field when the machine is set to an angle of 30 degrees.How far can the machine toss a golf ball when it is set to an angle of 45 degrees?

(Multiple Choice)

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Question 57

An airplane's speed with respect to the air is 100 m/sec.The velocity of the air with respect to the ground is 30.0 m/sec to the northeast.What is the direction of the airplane's velocity with respect to the air if the direction of its velocity with respect to the ground is due east?

(Multiple Choice)

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Question 58

A golf ball is hit with an initial angle of 32.3^$\circ$ with respect to the horizontal and an initial velocity of 89.7 mph.It lands a distance of 96.2 m away from where it was hit.By how much (in meters)did the wind resistance reduce the range of the golf ball?

(Multiple Choice)

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Question 59

A boat crosses a river which is flowing at 6.0 m/s.The boat travels directly across the river from A to B and the speed of the boat relative to the river is 9.0 m/s.If it takes the boat 10.0 seconds to cross the river,how wide is the river?

(Multiple Choice)

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Question 60

Showing 41 - 60 of 73

Exam 3: Motion in Two and Three Dimensions

A boat crosses a river which is flowing at 10.0 m/s.The driver of the boat wants to cross the river and arrive directly across the river from where he departed (point A to point B).If the speed of the boat relative to the river is 15.0 m/s,what angle, θ\thetaθ must the driver steer the boat?

You are walking to catch your plane and decide to take the moving sidewalk in the airport.It has an average speed of 2.0 m/s.If you are walking with a speed of 1.5 m/s and the walkway is 85.0 m long.How long will it take you to travel the 85.0 m?

A golf ball is hit and makes a 45 ∘\circ∘ angle with the horizontal as it leaves the tee.It lands 200 m away.What was the ball's initial speed?

The wind is blowing due west with a speed of 16 m/s,and a pilot with a 30 m/s plane wants to fly due north.Which picture below best describes what the heading of the plane should be?

A particle moves from an initial position with coordinates x = -2.0 m,y = +3.0 m,to a final position with coordinates x = +5.0 m,y = +7.0 m in a time interval of 10 s.What is the magnitude of the average velocity for this displacement?

A ball is thrown upward with a velocity of 17.0 m/s at an angle of 50.0 ∘\circ∘ with respect to the horizontal.What will be its speed in m/s after 0.800 seconds?

An airplane moves at 120 m/sec to the west with respect to the air.The air moves at 50 m/sec to the south with respect to the ground.How fast does the airplane move with respect to the ground?

At what angle measured with the horizon must a projectile be launched such that its range is equal to its maximum height? Ignore air resistance.

A baseball is hit at a 45 ∘\circ∘ angle with a speed of 50 meters/second.How far does it go (in meters)before it hits the ground (within 5% accuracy)? (Ignore wind resistance and assume that the ground level is the same as the level it was hit from.)

A ball is thrown from the ground.Its velocity after 4 seconds is (15 -3 )m/s.The hang time of the ball is

A golf ball is hit horizontally from the edge of a ramp.It lands at an elevation 200 m below and its trajectory upon landing is 45 ∘\circ∘ angle below the horizontal.What was the ball's initial speed?

A projectile is launched at 10.0 m/s in a direction 45.0 degrees above the horizon.It hits the ground 10.0 m below its initial position.What is its speed just before hitting the ground? Ignore air resistance.

A bullet is shot horizontally from the edge of a cliff at a height of 100 m above the ground.The initial speed of the bullet is 150 m/s.It hits the ground from the base of the cliff at a horizontal distance of

A boat crosses a river which is flowing at 6.0 m/s.The boat travels directly across the river from A to B and the speed of the boat relative to the river is 10.0 m/s.While it is crossing the river,what is the speed of the boat relative to the shore (point a)

A child kicks a football with an initial velocity of 25.0 m/s at an angle of 38 ∘\circ∘ above horizontal.The ball lands at the same height from which it was kicked.What is the range of the ball?

An object is launched up a 30 degree slope at an angle of 20 degrees above the incline of the slope and lands a distance of 3.12 m up the slope.What is the object's initial speed?

A machine can toss a golf ball a distance of 120 m on a level field when the machine is set to an angle of 30 degrees.How far can the machine toss a golf ball when it is set to an angle of 45 degrees?

An airplane's speed with respect to the air is 100 m/sec.The velocity of the air with respect to the ground is 30.0 m/sec to the northeast.What is the direction of the airplane's velocity with respect to the air if the direction of its velocity with respect to the ground is due east?

A golf ball is hit with an initial angle of 32.3 ∘\circ∘ with respect to the horizontal and an initial velocity of 89.7 mph.It lands a distance of 96.2 m away from where it was hit.By how much (in meters)did the wind resistance reduce the range of the golf ball?

A boat crosses a river which is flowing at 6.0 m/s.The boat travels directly across the river from A to B and the speed of the boat relative to the river is 9.0 m/s.If it takes the boat 10.0 seconds to cross the river,how wide is the river?

Overview

Motion in a Straight Line

Force

Kinetic Energy, work, and Power

Potential Energy and Energy Conservation

Momentum and Collisions

Systems of Particles and Extended Objects

Circular Motion

Rotation

Static Equilibrium

Gravitation

Solids and Fluids

Oscillations

Waves

Sound

Temperature

Heat and the First Law of Thermodynamics

Ideal Gases

The Second Law of Thermodynamics

Electrostatics

Electric Fields and Gausss Law

Electric Potential

Capacitors

Current and Resistance

Direct Current Circuits

Magnetism

Magnetic Fields of Moving Charges

Electromagnetic Induction

Alternating Current Circuits

Electromagnetic Waves

Geometric Optics

Lenses and Optical Instruments

Wave Optics

Relativity

Quantum Physics

Quantum Mechanics

Atomic Physics

Elementary Particle Physics

Nuclear Physics

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A golf ball is hit and makes a 45^$\circ$ angle with the horizontal as it leaves the tee.It lands 200 m away.What was the ball's initial speed?

A ball is thrown upward with a velocity of 17.0 m/s at an angle of 50.0^$\circ$ with respect to the horizontal.What will be its speed in m/s after 0.800 seconds?

A baseball is hit at a 45^$\circ$ angle with a speed of 50 meters/second.How far does it go (in meters)before it hits the ground (within 5% accuracy)? (Ignore wind resistance and assume that the ground level is the same as the level it was hit from.)

A golf ball is hit horizontally from the edge of a ramp.It lands at an elevation 200 m below and its trajectory upon landing is 45^$\circ$angle below the horizontal.What was the ball's initial speed?

A child kicks a football with an initial velocity of 25.0 m/s at an angle of 38^$\circ$above horizontal.The ball lands at the same height from which it was kicked.What is the range of the ball?

A golf ball is hit with an initial angle of 32.3^$\circ$ with respect to the horizontal and an initial velocity of 89.7 mph.It lands a distance of 96.2 m away from where it was hit.By how much (in meters)did the wind resistance reduce the range of the golf ball?