A catapult fires an object of 0.025 kg into the air at a velocity of 65 m/s at an angle of 30 degrees to the ground. The catapult is at ground level, the ground is horizontal and air resistance can be ignored. Determine: (a) The height reached by the object (b) The horizontal distance travelled (c) The travel time (d) The velocity as it hits
A catapult fires an object of 0.025 kg into the air at a velocity of 65 m/s at an angle of 30 degrees to the ground. The catapult is at ground level, the ground is horizontal and air resistance can be ignored. Determine: (a) The height reached by the object (b) The horizontal distance travelled (c) The travel time (d) The velocity as it hits
Glencoe Physics: Principles and Problems, Student Edition
1st Edition
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Paul W. Zitzewitz
Chapter6: Motion In Two Dimensions
Section6.3: Relative Velocity
Problem 27PP
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A catapult fires an object of 0.025 kg into the air at a velocity of 65 m/s at an angle
of 30 degrees to the ground. The catapult is at ground level, the ground is horizontal and
air resistance can be ignored. Determine:
(a) The height reached by the object
(b) The horizontal distance travelled
(c) The travel time
(d) The velocity as it hits the ground
answers
a) 54m
b) 370m
c) 6.6s
d) 65m/s
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