Laws of Motion [BITSAT (Birla Institute of Technology & Science Admission Test) Physics]: Questions 1 - 5 of 22

If the coefficient of friction of a plane inclined at is , then acceleration of a body sliding freely on it is –

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If small balls, each of mass impringe elastically each second on a surface with a velocity , then the force experienced by the surface in one second will be –

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A body of mass and velocity collides with a stationary body of mass . After collision both bodies stick to each other, velocity of the bodies after collision will be –

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A particle is projected with at an angle . At the highest point, it explodes into three particles of equal masses. One goes vertically upwards with velocity , second particle goes vertically downwards. Then the velocity of the third particle will be –

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A rocket is set for vertical flaring. The exhaust speed is . To give an initial upward acceleration of the amount of gas ejected per second to supply the needed thrust will be –

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