WorksheetsGravity and Free Fall
Total questions: 9
Worksheet time: 6mins
A baseball is thrown up into the air. What happens to the velocity as the ball rises in the air?
the velocity increases
the velocity decreases
the velocity remains constant
What is the vertical velocity of a ball that has been dropped off a cliff after 1 , 2, 3, 4, and 5 seconds? (assume g is rounded to 10 m/s2)?.
10, 20, 30, 40, 50 m/s
5, 10, 15, 20, 25 m/s
5, 20, 45, 80,125 m
10,10,10,10,10 m/s
Which would hit the ground first if dropped from the same height in a vacuum—a feather or a metal bolt?
the feather
the metal bolt
They would hit the ground at the same time.
They would be suspended (floating) in a vacuum.
Friction can be reduced by using
(a) oil
(b) grease
(c) powder
(d) all of these
Oumuamua is from a far-off star system.
True
False
Not Sure
When did "Oumuamua's" speed increase?
after it passed the sun
315,800 KM/H
it was knocked out of a far-off star system.
