Twelve seconds after starting from rest, a freely-falling cantaloupe has a speed of
A) 100 m/s
B) 10 m/s
C) 50 m/s
D) more than 100 m/s
If an object falling freely were somehow equipped with an odometer to measure the distance it travels, then the amount of distance it travels each succeeding second would be
A) constant
B) doubled
C) greater than the second before
D) less and less each second
An object at rest near the surface of a distant planet starts to fall freely. If the acceleration there is twice that of the earth, its speed one second later would be
A) 10 m/s
B) 20 m/s
C) 30 m/s
D) 40 m/s
One-half second after starting from rest, a freely falling object will have a speed of about
A) 2 m/s
B) 10 m/s
C) 20 m/s
D) 5 m/s
E) none of the above
An object falls freely from rest on a planet where the acceleration due to gravity is 20 m/s^2. After 5 seconds, the object will have a speed of
A) 100 m/s
B) 20 m/s
C) 5 m/s
D) 50 m/s
E) 10 m/s