Physics, 31.05.2021 16:20 officialgraciela67

1.) A ball is thrown horizontally from the top of a building. What is the vertical velocity of the ball after 1 second? A. 0 m/s
B. 9.8 m/s
C. 4.9 m/s
D. 19.6 m/s

2.) This is a required question
What is the horizontal acceleration of a projectile?

A. 0 m/s2
B. 8.9 m/s2
C. 4.9 m/s2
D. 9.8 m/s2

3.) If air resistance is neglected, at what angle a projectile must be projected to attain the maximum range?

A. 40
B. 75
C. 45
D. 90

4.) Neglecting air resistance, the range of a projectile projected at an angle of 20 degrees is the same as that of if they were released with the same velocity.

A. 50
B. 70
C. 60
D. 80

5.) What do you call the motion of an object with constant acceleration?

A. circular motion
B. uniform motion
C. constant motion
D. uniformly accelerated motion

CAN SOMEONE PLEASE HELP ASAP. THANK U

Answers: 3

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1.) A ball is thrown horizontally from the top of a building. What is the vertical velocity of the b...

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