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State, for each of the following physica...

State, for each of the following physical quantities, if it is a scalar or a vector. Volume, mass speed acceleration, density, number of moles, velocity, angular frequency, displacement, angular velocity.

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Volume , mass , speed , density , number of moles , angular frequency are scalars ; the rest are vect
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NCERT TAMIL-MOTION IN A PLANE-EXCERCISES
  1. State, for each of the following physical quantities, if it is a scala...

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  2. Pick out the two scalar quantities in the following list: force, angul...

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  3. Pick out the only vector quantity in the following list : temperature,...

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  4. State with reasons, whether the following algebraic operations with sc...

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  5. Read each statement below carefully and state with reasons, with it is...

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  6. Establish the following inequalities geometrically or otherwise , (...

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  7. Given vec A + vec B+ vec C + vec D =0, which of the following stateme...

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  8. Three girls skating on a circular ice ground of radius 200 m start fr...

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  9. A cyclist starts from the centre 'O' of a cicular park of radius 1 km,...

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  10. On an open ground , a motorist follows a track that turns to his left ...

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  11. A passenger arriving in a new town wishes to go from the station to a ...

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  12. Rain is falling vertically with a speed of 30 ms^(-1) . A woman rides...

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  13. A man can swim with a speed 4km/hr in still water. (a) How long does...

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  14. In a harbour, wind is blowing at the speed of 72 km //h and the flag ...

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  15. The ceiling of a long hall is 25 m high. What is the maximum horizonta...

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  16. A cricketer can throw a ball to a maximum horizontal distance of 100 m...

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  17. A stone tied to the end of a string 80 cm long is whirled in a horizon...

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  18. An aircraft executes a horizontal loop of radius 1 km with a steady sp...

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  19. Read each statement below carefully and state, with reasons, if it is ...

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  20. The position of a particle is given by r=3.0thati-2.0t^(2)hatj+4....

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