1. A volleyball hit into the air has an initial speed of 10 meters per second. Which vector best represents the angle
above the horizontal that the ball should be hit to remain in the air for the greatest amount of ti
1. A student on her way to school walks four blocks east, three blocks north, and another four blocks east, as shown
in the diagram.
Compared to the distance she walks, the magnitude of her displacement from home
1. Which vector diagram best represents a cart slowing down as it travels to the right on a horizontal surface?
Base your answers to questions 2 and 3 on the information below.
Base your answers to questions 5 through 8 on
Base your answers to questions 1 and 2 on the information below.
A 747 jet, traveling at a velocity of 70 meters per second north, touches down on a runway. The jet slows to rest at the
rate of 2.0 meters per
Dynamics-Newton's 2nd Law
1. A constant unbalanced force is applied to an object for a period of time. Which graph best represents the acceleration of the object as a function of elapsed time?
2. The diagram below shows a horizontal 12-new
1. A cart travels with a constant nonzero acceleration along a straight line. Which graph best represents the relationship between the distance the cart travels and time of travel?
Base your answers to questions 2 t
Base your answers to questions 1 through 4 on the information and data table provided.
A 1.00-kilogram mass was dropped from rest from a height of 25 meters
above Earths surface. The speed of the mass was determined at 5
Dynamics-Ramps and Inclines
1. The diagram at right represents a block at rest on an incline.
Which diagram below best represents the forces acting on the block? (Ff = frictional
force, FN = normal force, and Fw = weight.)
2. The diagram b
Dynamics-Newton's 3rd Law
1. A student pulls a 60-newton sled with
a force having a magnitude of 20
newtons. What is the magnitude of
the force that the sled exerts on the
1. 20 N
2. 40 N
3. 60 N
4. 80 N
2. If a 65-kilogram as
Dynamics-Newton's 1st Law
1. As shown in the diagram, an open box and its contents have a combined mass of 5.0 kilograms. A horizontal force of 15 newtons is
required to push the box at a constant speed of 1.5 meters per second
across a lev