Choose the letter
1. Which of the following statement is NOT true?
a. the horizontal acceleration is always 0
b. vertical acceleration of a projectile is constants
c. horizontal and vertical components of projectile are dependent on each other
d. Horizontal and vert. horizontal and vertical components of projectile are independent on each other
5.Which of the following statement is true about the vertical motion of projectiles
a. the vertical component of a projectiles velocity is constant
b. the vertical component of a projectiles velocity is changing
c. the vertical component of a projectiles velocity is constant value of 9.8m/s
d. the vertical component of a projectiles velocity is changing at a changing rate
6.Which of the following is independent of the horizontal component of a projectile velocity
a. its range
b. the vertical component
c. time
d. none of these
7.What component is the velocity of a ball at the very peak of the ball path if it is thrown into the air at some angles
a. entirely vertical
b. entirely horizontal
c. not enough information
d. both vertical and horizontal
8.What do you call the path of the a sepak takraw that is kicked from the height of 2m
a. circular
b. hyperbolic
c. linear
d. parabolic
9.What is the vertical acceleration of the ball after 1 second after a baseball is thrown horizontally
a.0
b.1m/s2
c.9.8m/s2
d. -9.8m/s2
10.How fast is a stone is fallen from a clip at 6 seconds?
a.9.8m/s
b.19.6m/s
c. 58.8m/s
d.0m/s
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1.A
2.B
3.C
4.A
5.B
6.D
7.A
8.B
9.A
10.B