Section B A rooket pushes out 2.5 kg of exhaust gas every second at a velocity of 120 m/s. (a) Calculate the gain in momentum by the gas in one second's time. gain in momentum by the gas .... (b) Hence determine the force produced by the engine. force produced = A bullet is fired from the barrel of a 750 g pistol. The explosion within the chamber of the pistol pushes the 5 g bullet out with an exit velocity of 210 m/s. V =? m/s V = 210 m/s Calculate (a) the momentum of the bullet as it leaves the barrel of the pistol, momentum of the bullet = .... (b) the initial speed of the recoil of the pistol.

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ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
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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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Section B
4.
A rOcket pushes out 2.5 kg of exhaust gas every second at a velocity of 120 m/s
(a)
Calculate the gain in momentum by the gas in one second's time.
gain in momentum by the gas =
(b)
Hence determine the force produced by the engine.
force produced =
A bullet is fired from the barrel of a 750 g pistol, The explosion within the chamber of the
pistol pushes the 5 g bullet out with an exit velocity of 210 m/s.
= ? m/s
Vo = 210 m/s
Calculate
(a)
the momentum of the bullet as it leaves the barrel of the pistol,
momentum of the bullet =
(b) the initial speed of the recoil of the pistol.
initial speed of recoil =
PHY310@HCIS
Momentum
Page 2 of 6
Transcribed Image Text:Section B 4. A rOcket pushes out 2.5 kg of exhaust gas every second at a velocity of 120 m/s (a) Calculate the gain in momentum by the gas in one second's time. gain in momentum by the gas = (b) Hence determine the force produced by the engine. force produced = A bullet is fired from the barrel of a 750 g pistol, The explosion within the chamber of the pistol pushes the 5 g bullet out with an exit velocity of 210 m/s. = ? m/s Vo = 210 m/s Calculate (a) the momentum of the bullet as it leaves the barrel of the pistol, momentum of the bullet = (b) the initial speed of the recoil of the pistol. initial speed of recoil = PHY310@HCIS Momentum Page 2 of 6
6.
travelling to the left at 4.0 m/s as shown below
Taking motion to the right as positive, determine
(a)
the momentum of trolley X,
momentum of trolley X =
(b)
the momentum of trolley Y,
momentum of trolley Y =
(c)
the total momentum of both trolleys.
Total momentum =
When the trolleys collide, they join together and move along the same line as before.
(d) state the total momentum of both trolleys,
Total momentum =
(e)
the initial velocity of both trolleys, and state the direction of travel.
initial velocity of both trolleys =
direction of travel =
PHY310@HCIS
Momentum
Page 3 of 6
Transcribed Image Text:6. travelling to the left at 4.0 m/s as shown below Taking motion to the right as positive, determine (a) the momentum of trolley X, momentum of trolley X = (b) the momentum of trolley Y, momentum of trolley Y = (c) the total momentum of both trolleys. Total momentum = When the trolleys collide, they join together and move along the same line as before. (d) state the total momentum of both trolleys, Total momentum = (e) the initial velocity of both trolleys, and state the direction of travel. initial velocity of both trolleys = direction of travel = PHY310@HCIS Momentum Page 3 of 6
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