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A body of mass 5 kg moves with velocity 4 m/s. Enter its momentum in kg·m/s.
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A body of mass 5 kg moves with velocity 4 m/s. Enter its momentum in kg·m/s.
A projectile is launched at 30° to the horizontal with initial velocity 20 m/s. What is its horizontal range? (g = 10 m/s²)
20 m
40 m
20√3 m
10√3 m
If the radius of the Earth were doubled (mass unchanged), what would happen to the value of g (acceleration due to gravity) at the surface?
g would double
g would remain the same
g would become one-fourth
g would halve
Which type of friction acts on a body that is stationary and has a force applied to it but has not yet started moving?
Kinetic friction
Rolling friction
Static friction
Viscous friction