Projectile Motion

Front

The more mass an object has, the faster it will fall.

Back

False

Front

If you throw a baseball straight up, what is its velocity at the highest point?

Back

0 m/s

Front

If you throw a baseball straight up, what is its acceleration at the highest point?

Back

about 10 m/s²

Front

A frog jumps vertically straight up. Which of the following is true?

Back

gravity gives the frog a vertical acceleration of -10 m/s²

Front

A super frog jumps straight up at a speed of 27m/s. What is the frog's speed over the next 3 seconds?

Back

1 second: 17 m/s, 2 seconds: 7 m/s, 3 seconds: -3 m/s

Front

Which of the following would NOT be considered a projectile? a cannonball thrown straight up, a cannonball rolling down a hill, a cannonball rolling off a table, a cannonball thrown into the air

Back

a cannonball rolling down a hill

Front

Which lemming will hit the ground farther from the base of the cliff if Lemming A runs off at 2 m/s and Lemming B at 1 m/s?

Back

A

Front

Suppose Lemming A runs off the edge of the cliff at 2 m/s and Lemming B runs off the edge at 1 m/s. Which will hit the ground first?

Back

Both at the same time

Front

An object is thrown horizontally from a cliff. The time it takes to hit the ground is

Back

the same amount of time than if it was just dropped

Front

A projectile is launched with a horizontal speed of 54 m/s. Ignoring air resistance, after 2 seconds its horizontal speed is...

Back

54 m/s