An aircraft travelling at 600km/h accelerates steady at 10 km/h per second. Taking the speed of sound as 1100 km/h at the aircraft's altitude, how long will it take to reach the sound barrier?

A car travels 165 km in 3 hours. How long will it take to travel 440 km?

A car travelling with a velocity of 80 km/h slowed down to 40 km/h in 10s. The retardation is

An airplane takes off at an angle 30^(@) with the horizontal ground treveling at the speed of 180km//h . If it continuous to fly with the same velocity in the same direction, how long will it take to reach an altitude of 9km above the ground?

A car takes 2 hours to reach a destination by travelling at the speed of 60 km/h. How long will it take when the car travels at the speed of 80 km/h?

A car travelling with a velocity of 80 km/h slowed down to 44 km/h in 15 s. The retardation is

A car travelling with a velocity of 80 km/h slowed down to 44 km/h in 15 s. The retardation is

A cyclist is moving with a speed of 20 km h^(-1) . How long will he take to travel a distance of 1.5 km ?

A car take 6 hours to reach a distination by travelling at the speed of 50 km per hour. How long will it take when the car travels at the speed of 75 km per hour ?

Two ships A and B are 10 km apart on a line running south to north. Ship A farther north is streaming west at 20 km//h and ship B is streaming north at 20 km//h. What is their distance of closest approach and how long do they take to reach it?

Two ships A and B are 10 km apart on a line running south to north. Ship A farther north is streaming west at 20 km//h and ship B is streaming north at 20 km//h. What is their distance of closest approach and how long do they take to reach it?