PSEB-Laws of Motion-Exercise
- Two billiard balls each of mass 0.05 kg moving in opposite directions ...
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- A shell of mass 0.020 kg is fired by a gun of mass 100 kg. If the muzz...
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- A batsman deflects a ball by an angle of 45^@ without changing its ini...
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- A stone of mass 0.25 kg tied to the end of a string is whirled round i...
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- If, in Exercise 5.21, the speed of the stone is increased beyond the m...
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- If, in Exercise 5.21, the speed of the stone is increased beyond the m...
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- If, in Exercise 5.21, the speed of the stone is increased beyond the m...
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- Explain why:- a horse cannot pull a cart and run in empty space.
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- Explain why:- passengers are thrown forward from their seats when a sp...
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- Explain why:- it is easier to pull a lawn mower than to push it.
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- Explain why:- a cricketer moves his hands backwards while holding a ca...
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- Figure 5.17 shows the position-time graph of a body of mass 0.04 kg. S...
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- Figure 5.18 shows a man standing stationary with respect to a horizont...
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- A stone of mass mtied to the end of a string revolves in a vertical ci...
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- A helicopter of mass 1000 kg rises with a vertical acceleration of 15 ...
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- A helicopter of mass 1000 kg rises with a vertical acceleration of 15 ...
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- A helicopter of mass 1000 kg rises with a vertical acceleration of 15 ...
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- A stream of water flowing horizontally with a speed of 15m s^-1 gushes...
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- Ten one-rupee coins are put on top of each other on a table. Each coin...
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- Ten one-rupee coins are put on top of each other on a table. Each coin...
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