a projectile is fired with the initial velocity Vo at angle theta with the horizontal and follows the trajectory shown above. which of the following pairs of graphs best represents the vertical components of the velocity and acceleration, v and a, respectively, of the projectile as functions of time t?

Back

100*square root 2 cm

Front

a ball is rolled down a ramp and launched horizontally from a lab bench towards a cup that has been placed on the floor. the following pieces of data were collected about the experimental setup. how far from the end of the ramp should the cup be placed on the floor so that the ball will land on the inside of the cup?

Back

D

Front

in the figure above, the magnitude of the ball's velocity is greatest at location

Back

IV

Front

in the figure above, which diagram represents the vector subtraction C=A-B

Back

a thrown baseball

Front

which of the following is an example of projectile motion?

Back

10 square root 3 m/s

Front

a ball is throws at an angle of 30 degrees to the horizontal with speed of 20 m/s. what is the ball's initial horizontal velocity?

Back

square root (2h/g)

Front

how much time does it take the rock to travel from the edge of the building to the ground?

Back

zero negative

Front

an object is shot vertically upward into the air with a positive initial velocity. which of the following correctly describes the velocity and acceleration of the object at its maximum elevation?

Back

equal to the horizontal component of its initial velocity

Front

in the figure above, the horizontal component of the balls velocity at point A is:

Back

Vq<Vp=Vr

Front

how do the speeds of the ball at the three points compare?

Back

Vq<Vp=Vr

Front

how do the speeds of the ball at the three points compare?

Back

equal equal

Front

balls 1 and 2 are each thrown horizontally from the same height above level ground, but ball 2 has a greater initial velocity after leaving the thrower's hand. if air resistance is negligible, how do the accelerations of the balls and the times it takes them to hit the ground compare?

Back

C

Front

in the figure above, at which point is the ball's speed about equal to the speed at which it was tossed?

Back

10 m/s

Front

a ball is thrown at an angle of 30 degrees to the horizontal with a speed of 20 m/s. what is the ball's initial vertical velocity?

Back

I, II, and III

Front

which of the following statements applies to the motion of a ball rising and then falling in free fall?

Back

B

Front

at what point of the ball's path shown in the figure above is the vertical component of the ball's velocity zero?

Back

square root of 2 s

Front

a ball is rolled down a ramp and launched horizontally from a lab bench towards a cup that has been placed on the floor. the following pieces of data were collected about the experimental setup. how much time is the ball in air before it is in the plane of the top of the cup?

Back

2 s

Front

a ball is thrown at an angle of 30 degrees to the horizontal with a speed of 20 m/s. how long is the ball in air assuming it was thrown from ground level?

Back

100 cm/s

Front

which of the following is the speed of the ball at the bottom of the ramp?

Back

10 m/s

Front

a ball is thrown with an initial speed of 20 m/s at an angle of 60 degrees to the ground. if air resistance is negligible, what is the ball's speed at the instant it reaches its maximum height from the ground?

Back

2d

Front

a diver initially moving horizontally with speed v dives off the edge of a vertical cliff and lands in a the water a distance d from the base of the cliff. how far from the base of the cliff would the diver have landed if the diver initially had been moving horizontally with speed 2v?

Back

B

Front

in the figure above, the magnitude of the ball's velocity is least at location

Back

II

Front

in the figure above, which diagram represents the vector addition C=A+B

Back

downward arrow

Front

which of the following diagrams best shows the direction of the acceleration of the ball at point P?

Back

4.0 m/s*s

Front

an object is released from rest on a planet that has no atmosphere. the object falls freely for 2.0 meters in the first second. what is the magnitude of the acceleration due to gravity on the planet?