A horizontal 5-cm-diameter water jet with a velocity of 18 m/s impinges normally upon a vertical plate of mass 1000 kg. The plate rides on a nearly frictionless track and is initially stationary. When the jet strikes the plate, the plate begins to move in the direction of the jet. The water always splatters in the plane of the retreating plate. Determine (a) the acceleration of the plate when the jet first strikes it (time 5 0), (b) the time it takes for the plate to reach a velocity of 9 m/s, and (c) the plate velocity 20 s after the jet first strikes the plate. For simplicity, assume the velocity of the jet is increased as the cart moves such that the impulse force exerted by the water jet on the plate remains constant.
A horizontal 5-cm-diameter water jet with a velocity of 18 m/s impinges normally upon a vertical plate of mass 1000 kg. The plate rides on a nearly frictionless track and is initially stationary. When the jet strikes the plate, the plate begins to move in the direction of the jet. The water always splatters in the plane of the retreating plate. Determine (a) the acceleration of the plate when the jet first strikes it (time 5 0), (b) the time it takes for the plate to reach a velocity of 9 m/s, and (c) the plate velocity 20 s after the jet first strikes the plate. For simplicity, assume the velocity of the jet is increased as the cart moves such that the impulse force exerted by the water jet on the plate remains constant.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Question
A horizontal 5-cm-diameter water jet with a velocity
of 18 m/s impinges normally upon a vertical plate of mass
1000 kg. The plate rides on a nearly frictionless track and is
initially stationary. When the jet strikes the plate, the plate
begins to move in the direction of the jet. The water always
splatters in the plane of the retreating plate. Determine
(a) the acceleration of the plate when the jet first strikes it
(time 5 0), (b) the time it takes for the plate to reach a velocity
of 9 m/s, and (c) the plate velocity 20 s after the jet first
strikes the plate. For simplicity, assume the velocity of the
jet is increased as the cart moves such that the impulse force
exerted by the water jet on the plate remains constant.
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