Advertisements
Advertisements
प्रश्न
Define speed of a body.
Advertisements
उत्तर
Speed of a body can be defined as distance covered by the body in unit time.
APPEARS IN
संबंधित प्रश्न
Arrange the following speed in increasing order (keeping the least speed first
A scooter moving with a speed of 30 km/h.
A train starting from Railway Station attains a speed of 21 m/s in one minute. Find its acceleration.
A car travels 100 km at a speed of 60 km/h and returns with a speed of 40 km/h. Calculate the average speed for the whole journey.
Which of the following statement is correct regarding velocity and speed of a moving body?
One of the following is not a vector quantity. This one is :
Give an example of the motion of a body moving with a constant speed but with a variable velocity. Draw a diagram to represent such a motion.
Figure shows the displacement of a body at different times .
Calculate the velocity of the body as it moves for time interval :
(i) 0 to 5 s,
(ii) 5 s to 7 s
(iii) 7 s to 9 s.
A train travels with a speed of 60 km h-1 from station A to station B and then comes back with a speed 80 km h-1 from station B to station A. Find -
- The average speed
- The average velocity of the train.
Define average velocity and give one example.
How many variables are present in each equation of motion?
