Motion and Meas...

Which one of the following devices records the speed directly in km/h?

Which of the following distance-time graphs shows an object moving with a variable speed?

Which of the following is not the unit of speed?        

Rajan swims in a 60 m wide pool. He covers 120 m in one minute by swimming from one end to the other, and back along a straight path. What will be his average speed and average velocity, respectively?

From the following distance-time graph, find the speed of the vehicle  at 'D' in (m/s)

At 9:30 am, an odometer reading was 37, 625.0 km. What is the distance covered by the car, if at 10:40 am the reading was 37, 670.0 km. Also, calculate the speed of the car in km/min.

If a pendulum takes 2 s to complete one oscillation, then how much time will it take to complete 15 oscillations?

A train travels the first 15 km at a uniform speed of 30 km/hr, the next 75 km at a uniform speed of 50 km/hr and the last 10 km at a uniform speed of 20 km/hr. Calculate its average speed for the entire journey.

A bee covers 20 km in 30 minutes and the next 30 km in 120 minutes. At what speed does the bee cover 20 km and 30 km, respectively?

If a distance-time graph is drawn from the data given below in the table, then what will be the shape of it?
 

What is the state of an object in the graph shown below?

Which of the following is the smallest time interval measured by a time measuring device?

A car is moving at a speed of 70 km/hr and covers a distance of 70 km and then, the car moves at a speed of 50 km/hr and covers 50 km. How much time did the car take to cover 120 km?

The Shatabdi Express takes 6 hours to reach Lucknow at a speed of 60 km/hr. Find the distance it travels.

If the speed of a train is 250 km/h, how much distance is covered by it in 60 minutes, if it is moving at a constant speed?