12–87. The catapult is used to launch a ball such that it strikes the wall of the building at the maximum height of its trajectory. If it takes 1.5 s to travel from A to B, determine the velocity v4 at which it was launched, the angle of release 0, and the height h. B h A 3.5 ft S 18 ft

12–87. The catapult is used to launch a ball such that it strikes the wall of the building at the maximum height of its trajectory. If it takes 1.5 s to travel from A to B, determine the velocity v4 at which it was launched, the angle of release 0, and the height h. B h A 3.5 ft S 18 ft

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter8: Rotational Motion

Section: Chapter Questions

Problem 51A

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Concept explainers

Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.

Question

12-87. The catapult is used to launch a ball such that it
strikes the wall of the building at the maximum height of its
trajectory. If it takes 1.5 s to travel from A to B, determine
the velocity va at which it was launched, the angle of release 0,
and the height h.
В
h
VA
A
3.5 ft| S
18 ft-
Prob. 12–87

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