Popular Questions
- Look out for some equations and results in this book which strike you as beautiful.
- Though the statement quoted above may be disputed, most physicists do have a feeling that the great laws of physics are at once si..
- wo great physicists of this genre are Gamow and Feynman. You will enjoy reading their books listed in the Biblphyiogra
- In which of the following examples of motion, can the body be considered approximately a point object:
- Choose suitable scales and plot the x-t graph of her motion.
- Determine graphically and otherwise how long the drunkard takes to fall in a pit 13 m away from the start.
- What is the speed of the latter with respect to an observer on the ground ?
- What is the retardation of the car (assumed uniform), and how long does it take for the car to stop ?
- what was the original distance between them ?
- What minimum acceleration of car B is required to avoid an accident ?
- What is the period T of the bus service and with what speed (assumed constant) do the buses ply on the road?
- A player throws a ball upwards with an initial speed of 29.4 ms–1.
- Read each statement below carefully and state with reasons and examples, if it is true or false ;
- A ball is dropped from a height of 90 m on a floor. At each collision with the floor, the ball loses one tenth of its speed. Plot ..
- Explain clearly, with examples, the distinction between :
- A man walks on a straight road from his home to a market 2.5 km away with a speed of 5 km h–1.
- Look at the graphs (a) to (d) (Fig. 3.20) carefully and state, with reasons, which of these cannot possibly represent one-dimensio..
- A police van moving on a highway with a speed of 30 km h–1 fires a bullet at a thief’s car speeding away in the same direction..
- Suggest a suitable physical situation for each of the following graphs (Fig)
- Give the signs of position, velocity and acceleration variables of the particle at t = 0.3 s, 1.2 s, – 1.2 s.
- Give the sign of average velocity for each interval.
- What do you expect this plot to be during accelerated motion : a straight line or a parabola ?
- A boy standing on a stationary lift (open from above) throws a ball upwards with the maximum initial speed he can, equal to 49 m s..
- On a long horizontally moving belt (Fig.), a child runs to and fro with a speed 9 km h–1 (with respect to the belt) between his ..
