a. If the mass of bullet is 5g and the mass of the gun is 10kg and the velocity of the bullet is 300m/s, find the recoil speed of the gun Answer V= 0.15m/s b. An aero plane flying at 250m/s takes air into its engine at a rate of 500kg/s. Fuel is burnt at 20kg/s. The engine expels gases at a speed of 600m/s relative to the jet. Calculate the driving force of the engine (187000N)

a. If the mass of bullet is 5g and the mass of the gun is 10kg and the velocity of the bullet is 300m/s, find the recoil speed of the gun Answer V= 0.15m/s b. An aero plane flying at 250m/s takes air into its engine at a rate of 500kg/s. Fuel is burnt at 20kg/s. The engine expels gases at a speed of 600m/s relative to the jet. Calculate the driving force of the engine (187000N)

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Friction

Friction is defined as the force that prevents any solid surface, any layer of fluid, or any kind of element or material from sliding.

Question

a. If the mass of bullet is 5g and the mass of the
gun is 10kg and the velocity of the bullet is
300m/s, find the recoil speed of the gun
Answer V= 0.15m/s
b. An aero plane flying at 250m/s takes air into
its engine at a rate of 500kg/s. Fuel is burnt at
20kg/s. The engine expels gases at a speed of
600m/s relative to the jet. Calculate the
driving force of the engine (187000N)

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