What happens to the speed and acceleration of this ball as it is rolling down
this curved hill?
Both the speed and acceleration are constant.
Both the speed and acceleration are increasing.
The speed is decreasing, but the acceleration is increasing.
The speed is increasing, but the acceleration is constant.
The speed is increasing, but the acceleration is decreasing.
Leroy, who has a mass of 100 kg, is skateboarding at 9.0 m/s when he smacks into a brick wall
and comes to a dead stop in 0.3 s.
What is the average force of impact on Leroy during this
The drawing shows top views of three motorboats
crossing a river. All have the same speed relative to the
water, but are pointing in different directions, as shown
by the longer arrows.
All boats experience the same
river flow, as shown by the shorter arrows.
has the largest speed relative to the shore?