Multiple Choice
A brick is thrown in the downward direction from the top of a building with an initial velocity of 10 m/s and it reaches the ground in 4 seconds. If there is no air resistance, what should be the average velocity of the brick?
A) 29.6 m/s
B) 28.5 m/s
C) 49.2 m/s
D) 31.0 m/s
Correct Answer:
Verified
Correct Answer:
Verified
Q79: Which of the following is the correct
Q80: A 45 kg bowling ball rolling at
Q81: Two bumper cars collide with a force
Q82: The acceleration of objects above the earth's
Q83: If an atom has 36 protons, how
Q85: Which of the following are the correct units of acceleration?<br>A)Length<br>B)Length/time<br>C)Length/time<sup>2</sup><br>D)time<sup>2</sup>/length
Q86: A honey bee flaps its wings 215
Q87: A child sits at the top of
Q88: A 1 kg soccer ball traveling at
Q89: Which of the following physics laws best