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#### Question

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 with a speed of 192 km h^{–1}. If the muzzle speed of the bullet is 150 m s^{–1}, with what speed does the bullet hit the thief’s car ? (Note: Obtain that speed which is relevant for damaging the thief’s car).

#### Solution

#### Similar questions VIEW ALL

A woman starts from her home at 9.00 am, walks with a speed of 5 km h^{–1} on a straight road up to her office 2.5 km away, stays at the office up to 5.00 pm, and returns home by an auto with a speed of 25 km h^{–1}. Choose suitable scales and plot the *x*-*t** *graph of her motion.

Read each statement below carefully and state with reasons and examples, if it is true or false;

A particle in one-dimensional motion with zero speed at an instant may have non-zero acceleration at that instant

Read each statement below carefully and state with reasons and examples, if it is true or false;

A particle in one-dimensional motion with zero speed may have non-zero velocity,

Read each statement below carefully and state with reasons and examples, if it is true or false;

A particle in one-dimensional motion with constant speed must have zero acceleration

Fill in the blanks by suitable conversion of units

1 m =..... ly