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An elevator is stopped at the ground floor. It starts moving upwards at constant acceleration for 5 seconds. It then keeps a constant speed for 35 seconds. Finally, it slows down
yes.fricton is working always opposite to the motion
Discusse about motion of satellite
Ask An elevator cable can withstand a maximum tension of 19,500N before breaking. The elevator has a mass of 490 kg and a maximum acceleration of 2.24 m/s2 . Engineering safety sta
A block of wood initially at rest slides down an inclined plane. Neglecting friction, the kinetic energy of the block at the bottom of the plane is: a) All converted into h
What is geocentric? It is a science where the earth is the center of the solar system and the other planets and the sun revolve around the earth. Though, most scientists say t
Q. What is a frame of reference? A system of co-ordinate axes which describe the position of a particle in two or three dimensional space is called a frame of reference.
Elasticity is defined as the ability of a solid to return to its original shape even after being expanded or contracted. Elasticity is termed as the property of a solid to return t
Le Chatelier's principle (H. Le Chatelier; 1888) If a system is in equilibrium, then any change imposed onto the system tends to shift the equilibrium to decrease the effect of
Can you show mathematically that the total energy of a simple harmonic oscillator remains constant?
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