SL ARORA-Laws of Motion-Exercise
- A gun weighing 4 kg fires a bullet of 80 g with a velocity of 120 ms^(...
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- A car of mass 1000 kg moving with a speed of 30 m//s collides with the...
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- A bullet of mass 7kg is fired into a block of metal weighing 7kg The b...
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- A truck of mass 2xx10^(4) kg travelling at 0.5ms^(-1) collides with an...
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- A neutron of mass 1.67xx10^(27) kg moving with a speed of 3xx10^(6)ms^...
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- A bomb at rest explodes into three fragments of equal massses Two frag...
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- A man weighing 60 kg runs along the rails with a velocity of 18 kmh^(-...
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- A machine gun of mass 10 kg fires 20 g bullets at the rate of 10 bulle...
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- A rocket with a lift mass of 10,000 kg is blasted upwards with an acce...
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- Fuel is consumend at the rate of 50 g per second in a rocket. The exha...
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- Calculate the ratio m(0)//m for a rocket to attain the escape velocity...
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- In the first second of its flight a rocket ejects (1)/(60) of its mass...
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- A rocket motor consumes 100 kg of fuel per second exhausting it with a...
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- A rocket motor consumes 100 kg of fuel per second exhausting it with a...
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- A rocket fired from the earth's surface ejects 1% of its mass at a spe...
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- A rocket is going upward with acceleration motion. A man string in it ...
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- A ballon of mass m is rising up with an acceleration a show that the f...
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- A mass of 6 kg is suspended by a rope of length 2 m from the ceilling ...
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- A mass of 20 kg is suspended by a rope of length 2 m from a ceiling. A...
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- A mass of 20 kg is suspended by a rope of length 2 m from a ceiling. A...
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