alfa ".l a4G060% OI 5:10Practice sheet_Mot... Z :A van is KICKEU irom une grounu at pom u wiui an imuai veiocity vo = 2U I/s uiatmakes an angle 8 = 30° with the horizontal. This ball reaches its maximum height atpoint A and then returns to the ground at point B as shown in the figure. (g = 10m/s?)The time taken by the ball to reach the maximum height at point A (toa) is equal to:A. 0.5 sВ. 1 sC. 1.5 sD. 2sE. 2.5 sVohmayPractice Sheet 2A projectile is fired into air from the top of a cliff, with an initial speed v, = 30 m/s atan angle of 60° above the horizontal. The projectile hitsthe ground after a time t = 6s. (g = 10m/s?)The height h of the cliff is approximately:-30 m/sA. 131 mВ. 90 mC. 24 m60°D. 63 mCliffh=?E. 112 mA care package is released from an air plane traveling horizontally at a height of 720 m above theground with a velocity of 115 m/s. (g = 10m/s?)The package's speed v just before itstrikes the ground is:Vo= 115m/sA. 115 m/sB. 120 m/sC. 166.2 m/sD. 152.4 m/sE. 173.5 m/sh= 720 mA bullet is fired from the ground with an initial velocity of 50 m/s that makes with the horizontalan angle of 30°. The y-component of the velocity (vy) of this object after 1 second is:(Take g = 10 m/s?).A. Om/sB. 10 m/sC. 15m/sD. 25m/sE. 50m/s

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A val IS KICKeu iHoI ne grounu at pom U WII an al verocty vo makes an angle 0 = 30° with the horizontal. This ball reaches its maximum height at point A and then returns to the ground at point B as shown in the figure. (g 10m/s?) The time taken by the ball to reach the maximum height at point A (toa) is equal to: 2U I/S unat A. 0.5 s В. Is C. 1.5 s hamax D. 2 s E. 2.5 s

A val IS KICKeu iHoI ne grounu at pom U WII an al verocty vo makes an angle 0 = 30° with the horizontal. This ball reaches its maximum height at point A and then returns to the ground at point B as shown in the figure. (g 10m/s?) The time taken by the ball to reach the maximum height at point A (toa) is equal to: 2U I/S unat A. 0.5 s В. Is C. 1.5 s hamax D. 2 s E. 2.5 s

College Physics

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ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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alfa ".l a
4G
060% OI 5:10
Practice sheet_Mot... Z :
A van is KICKEU irom une grounu at pom u wiui an imuai veiocity vo = 2U I/s uiat
makes an angle 8 = 30° with the horizontal. This ball reaches its maximum height at
point A and then returns to the ground at point B as shown in the figure. (g = 10m/s?)
The time taken by the ball to reach the maximum height at point A (toa) is equal to:
A. 0.5 s
В. 1 s
C. 1.5 s
D. 2s
E. 2.5 s
Vo
hmay
Practice Sheet 2
A projectile is fired into air from the top of a cliff, with an initial speed v, = 30 m/s at
an angle of 60° above the horizontal. The projectile hits
the ground after a time t = 6s. (g = 10m/s?)
The height h of the cliff is approximately:
-30 m/s
A. 131 m
В. 90 m
C. 24 m
60°
D. 63 m
Cliff
h=?
E. 112 m
A care package is released from an air plane traveling horizontally at a height of 720 m above the
ground with a velocity of 115 m/s. (g = 10m/s?)
The package's speed v just before it
strikes the ground is:
Vo= 115m/s
A. 115 m/s
B. 120 m/s
C. 166.2 m/s
D. 152.4 m/s
E. 173.5 m/s
h= 720 m
A bullet is fired from the ground with an initial velocity of 50 m/s that makes with the horizontal
an angle of 30°. The y-component of the velocity (vy) of this object after 1 second is:
(Take g = 10 m/s?).
A. Om/s
B. 10 m/s
C. 15m/s
D. 25m/s
E. 50m/s

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