A ball is kicked horizontally at 23.0 m/s from a cliff 95 meters high. How far from the base of the cliff will the ball strike the ground?

College Physics
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ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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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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HORIZONTAL PROJECTILE MOTION
Formulas
Vocabulary:
horizontal distance = v.* t
Projectile:
time = v(2*h/g)
velocity = v,? (horizontal velocity) + v,?
(vertical velocity)
Trajectory:
1. A ball is kicked horizontally at 23.0 m/s from a cliff 95 meters high. How far from the base of the cliff will
the ball strike the ground?
2. A car drives off a wharf at 40 m/s. If the wharf is 17 meters above the water, calculate
a) The time of flight.
b) The velocity at which the car hits the water.
3. A ball rolls off a 2.3 meter fridge and hits the floor 4.5 meters horizontally from the edge of the fridge.
a) How much time does it take for the ball to hit the ground?
b) How fast is the ball moving as it leaves the fridge?
c) What velocity does the ball have at impact with the ground?
4. A rifle is aimed horizontally at shoulder height (2.05 meters above the ground) at a targets bulls eye 950
meters away.
a) How much time does it take for the bullet to hit the ground?
b) How fast is the bullet moving as it leaves the rifle?
c) What velocity does the bullet have at impact with the ground?
Transcribed Image Text:HORIZONTAL PROJECTILE MOTION Formulas Vocabulary: horizontal distance = v.* t Projectile: time = v(2*h/g) velocity = v,? (horizontal velocity) + v,? (vertical velocity) Trajectory: 1. A ball is kicked horizontally at 23.0 m/s from a cliff 95 meters high. How far from the base of the cliff will the ball strike the ground? 2. A car drives off a wharf at 40 m/s. If the wharf is 17 meters above the water, calculate a) The time of flight. b) The velocity at which the car hits the water. 3. A ball rolls off a 2.3 meter fridge and hits the floor 4.5 meters horizontally from the edge of the fridge. a) How much time does it take for the ball to hit the ground? b) How fast is the ball moving as it leaves the fridge? c) What velocity does the ball have at impact with the ground? 4. A rifle is aimed horizontally at shoulder height (2.05 meters above the ground) at a targets bulls eye 950 meters away. a) How much time does it take for the bullet to hit the ground? b) How fast is the bullet moving as it leaves the rifle? c) What velocity does the bullet have at impact with the ground?
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