Choose only the appropriate letter of your answer.

1.) A bullet is fired at an angle of 45º. Neglecting air resistance, what is the direction
of acceleration during the flight of the bullet?

a. upward

b. downward
c. dependent on the initial velocity
d. at a 45º angle

2.) A golfer drives her golf ball from the tee down the fairway in a high arcing shot.

When the ball is at the highest point of its flight:

a. the velocity and acceleration are both zero

b. the x-velocity is zero and the y-velocity is zero
c. the x-velocity is non-zero, but the y-velocity is zero
d. the velocity is non-zero, but the acceleration is zero

3.) A bullet is fired horizontally from a gun. At the same time a similar bullet is dropped from the same height.

The fired bullet will:

a. hit the ground first

b. hit the ground second
c. hit at the same time as dropped bullet
d. never hit the ground

4.) A pitcher requires about 0.2 seconds to throw a baseball. If the ball leaves his hand with a speed of 80m/s,

how large is its acceleration?

a. 40m/s
b. 40m/s2

c. 400m/s2

d. 400 m/s

5.) Which of the following statements about projectile motion is true (neglecting air resistance)?

a. The horizontal and vertical motions are independent.

b. The force on the projectile is constant throughout the flight.

c. The acceleration of the projectile is constant throughout the flight

d. All of the above statements are true.

6.) In projectile motion the

a. acceleration is parallel to the velocity.

b. acceleration is perpendicular to the velocity.

c. acceleration is vertical, while the velocity can be in any direction.

d. acceleration is vertical and the velocity is horizontal.



Please, i need it now.

NONSENSE = REPORT​