Advertisements
Advertisements
प्रश्न
When is instantaneous speed the same as the average speed?
Advertisements
उत्तर
Instantaneous velocity is equal to average velocity if the body is in uniform motion.
APPEARS IN
संबंधित प्रश्न
Suppose the two photographs, shown in Figure 1 and Figure 2, had been taken at an interval of 10 seconds. If a distance of 100 metres is shown by 1 cm in these photographs, calculate the speed of the fastest car.

Figure 1 Vehicles moving in the same direction on a road

Figure 2 Position of vehicles shown in Figure 1 after some time
For a body moving along a circular path, show that:
Linear speed = Angular velocity X radius of the circle
A car travels 30 km at a uniform speed of 60 km/h and the next 30 km at a uniform speed of 20 km/h. What is its average speed?
Speed is a ______ quantity whereas velocity is a ______ quantity.
Every object moves with a constant speed.
The time period of a given pendulum is constant.
The cheetah the fastest animal among terrestrial animals run with an average speed of ______.
If Boojho covers a certain distance in one hour and Paheli covers the same distance in two hours, who travels at a higher speed?
A spaceship travels 36,000 km in one hour. Express its speed in km/s.
Distinguish between speed and velocity.
