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### A police jeep is chasing a culprit going on a motorbike.The motorbike crosses

A police jeep is chasing a culprit going on a motorbike.The motorbike crosses a turning at a speed of 72 km/h.The jeep follows it at a speed of 90 km/h,crossing the turning 10 s later […]

### A 120 m long train is moving in a direction with speed 20 m/s.A train B moving

A 120 m long train is moving in a direction with speed 20 m/s.A train B moving with 30 m/s in the opposite direction and 130m long crosses the first train in a time

### A rocket is fired upward from the earth surface such that it creates an acceleration

A rocket is fired upward from the earth surface such that it creates an acceleration of 19.6 m/s².If after 5s, its engine is switched off, the maximum height of the rocket from earth ‘s surface […]

### A boat taken 2h to travel 8km and back in still water.If the velocity of water 4 km/h

A boat taken 2h to travel 8km and back in still water. If the velocity of water 4 km/h,the time for going up stream 8 km and coming back is

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(a) 2 […]

### A body starts from rest, what is the ratio of the distance travelled by the body

A body starts from rest, what is the ratio of the distance travelled by the body during the 4th second and 3rd second?

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(a) 7 / 5 (b) 5 / 7 (c) […]

### An elevator car whose floor to ceiling distance is equal to 2.7m starts

An elevator car whose floor to ceiling distance is equal to 2.7m starts ascending with constant acceleration of 1.2 ms⁻².After 2s of the start, a bolt begins falling from the ceiling of the car.The free […]

### The velocity of a particle at an instant is 10 ms⁻¹ and after 5 s the velocity

The velocity of a particle at an instant is 10 ms⁻¹ and after 5 s the velocity of the particle is 20 ms⁻¹.The velocity 3s before in ms⁻¹ was

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(a) 8 ms⁻¹ (b) 4 […]

### Two bodies of masses m₁ and m₂ and having velocities v₁ and v₂ respectively

Two bodies of masses m₁ and m₂ and having velocities v₁ and v₂ respectively , moving along a straight line are brought to rest by equal resistances forces.If one moves twice as that of the […]

### A boat which has a speed of 5 kmh⁻¹ in still water crosses river of width 1 km long

A boat which has a speed of 5 kmh⁻¹ in still water crosses river of width 1 km along the shortest path in 15 min.The width of the river in kmh⁻¹ is

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### A particle moves along the x-axis such that its co-ordinate (x) varies with time (t)

A particle moves along the x-axis such that its co-ordinate (x) varies with time (t), according to the expression x = 2- 5t + 6t², where x is in metre and t is in second.The […]

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