Multiple Choice
A simple "do it yourself" experiment, performed in class, showing that objects accelerate as they fall is
A) using a flash camera to photograph the position of a ball at several equally- spaced times as the ball falls.
B) throwing an object horizontally from some distance above the ground, and measuring the time for it to hit the ground as compared with an object that is simply dropped from the same distance above the ground.
C) dropping an object to the floor from various heights, and measuring the time of fall.
D) dropping an object from several meters high, and measuring its position at the end of each second.
E) dropping an object to the floor from various heights, and observing the sound of the object hitting the floor.
Correct Answer:

Verified
Correct Answer:
Verified
Q23: In which of the following cases does
Q24: An astronaut drops a rock on the
Q25: A ball is moving at 20 m/s.
Q26: An artificial satellite moves at a steady
Q27: A car is rounding the top, or
Q29: A book is given a brief shove
Q30: In twice the time, an object will
Q31: A rock is dropped from rest off
Q32: In our study of falling objects, we
Q33: Which of the following describes an object