How long will it take to stop a car travelling at a speed of `20 m//sec`, if the uniform acc. during braking is `-5 m//s^(2)`?

How long will it take a force of 10 N to stop a mass of 2.5 kg which is moving at 20 m/s?

A car travels with a speed of 25 m//s for 2 minutes and then with 20 m//s for 1 minute.Define average speed.

A car is travelling at a speed of 90 km/h. Brakes are applied so as to produce a uniform acceleration of – 0.5 m/s2. Find how far the car will go before it is brought to rest?

A scooter moving at a speed of 10 m/s is stopped by applying brakes which produce a uniform acceleration of, -0.5 m/ s^(2) . How much distance will be covered by the scooter before it stops ?

A car of mass m , travelling at speed v , stops in time t when maximum braking force is applied. Assuming the braking force is same for both cases, what time would be required to stop a car of mass 2 m travelling at speed v ?

A 150 m long trains travelling from east to west at a speed of 20 m/s. A bird is flying from west lo cast at a speed of 5 m/s. How long will the bird take to cross the train?

A car moving with a velocity of 40 km/h can be stopped by brakes after travelling at least 5 m. If same car moves at a speed of 80 km/h the minimum stopping distance is

A car takes 4 hours to reach the destination by travelling at a speed of 60 km/h . How long will it take if the car travels at a speed of 80 km/h ?

An electron travelling with a speed of 5x 10^3 m/s passes through an electric field with an acceleration of 10^12 m/s^2 . How long will it take for electron to double its speed?