Motion and Time...

A man completes a journey in 10 hours. He travels first half of the journey at the rate of 21 km/hr and second half at the rate of 24 km/hr. Find the total journey (in km).

A man on tour travels the first 160 km at 64 km/hr and the next 160 km at 80 km/hr. What is the average speed for the tour?

A ball moves at 120 metres per second and strikes an object in three seconds. If it moves at the speed of 100 metres per second, how long will it take for the ball to strike the same object?

A man wants to cover 50 km on his bicycle. His speed is 12.5 km/hr. After every 12.5 km, he takes rest for 20 minutes. How long will he take to cover the whole distance?

The distance between two points A and B is 110 km. A motorcyclist starts from A towards B at 7 a.m. at a speed of 20 km/hr. Another motorcyclist starts from B towards A at 8 a.m. at a speed of 25 km/hr. At what time will they cross each other?

Nathan is driving at a speed of 100 km/hr. How much distance will he travel in 90 minutes?

A train is running at a speed of 48 km/hr. A passenger counts the telephone posts along the line as he passes them. If the posts are 50 m apart, then how many posts will he cross per minute?

An ant moves from A to B and then to C. What is the magnitude of its displacement?

Which of the following distance-time graphs shows a car parked on a roadside?

From the following d-t graph, find the distance travelled after 5 hours.

Which of the following parts of the graph represent(s) uniform motion of a moving object?

The graph below represents

On which of the following parameters does the time period of a pendulum depend?

Total time taken = Time period x ________

A simple pendulum takes 15 seconds to complete 5 oscillations. What is the time period of the pendulum?