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Mechanics | Relativity
Explain all equation of motion for constant acceleration.
Mechanics | Relativity
In terms of their definitions, an essential difference between displacement and distance is that
Mechanics | Relativity
the car is parked on a muddy field and wheels of the car are sinking into the mud.
Explain why and how to prevent it
Explain why and how to prevent it
Mechanics | Relativity
The car has a mass of 1000 kg.
Calculate the weight of the car
Calculate the weight of the car
Mechanics | Relativity
The surface area of face X of the can is 1200 cm .
Calculate the force on surface X when the can collapses
Calculate the force on surface X when the can collapses
Mechanics | Relativity
The pressure of the air in the can is reduced by means of a pump. The can collapses when the
pressure of the air in the can falls to 6000 Pa.
(i) Explain why the can collapses
pressure of the air in the can falls to 6000 Pa.
(i) Explain why the can collapses
Mechanics | Relativity
A girl is walking in the rain at a speed of
1.2 ms-1 along a straight road. The rain falls
on her vertically at a speed of F4 ms 1 . At
what angle to the vertical does the person
hold the umbrella so that she does not get
wet ?
1.2 ms-1 along a straight road. The rain falls
on her vertically at a speed of F4 ms 1 . At
what angle to the vertical does the person
hold the umbrella so that she does not get
wet ?
Mechanics | Relativity
A uniform rod of mass 200g and length,L is supported at both ends.Masses of 300g and 500g are suspended at L/3 and 3L/4 from one end. Determine the force exerted on each support.
Mechanics | Relativity
A particle is observed to have a lifetime of 1.50 X 10^-6 s when it is at rest in the laboratory. What is its lifetime when it is moving at 0.800c? How far will the particle move with respect to the moving frame of reference before it decays? How far will the particle move with respect to the laboratory frame before it decays?
Mechanics | Relativity
A plate having an area of 0.6m2 is sliding down the inclined plane at 30° to the horizontal with a velocity of 0.36m/s. There is a cushion of fluid 1.8 mm thick between the plane and the plate. Find the viscosity of the fluid if the weight of the plate is 280N.
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#333702 on Dec 2022
#333702 on Dec 2022