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प्रश्न
Define speed of a body.
उत्तर
Speed of a body can be defined as distance covered by the body in unit time.
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संबंधित प्रश्न
The graph given alongside shows how the speed of a car changes with time:
(i) What is the initial speed of the car ?
(ii) What is the maximum speed attained by the car ?
(iii) Which part of the graph shows zero acceleration ?
(iv) Which part of the graph shows varying retardation ?
(v) Find the distance travelled in first 8 hours.
The speed of a moving object is determined to be 0.06 m/s. This speed is equal to :
Which of the following statement is correct regarding velocity and speed of a moving body?
Which of the following can sometimes be 'zero' for a moving body?
(i) average velocity
(ii) distance travelled
(iii) average speed
(iv) displacement
Which of the quantity-velocity or acceleration-determines the direction of motion?
Express the following in m s-1.
18 km min-1
Draw the shape of the velocity-time graph for a body moving with (a) Uniform velocity and (b) Uniform acceleration.
What is the relation between distance and time when the body is moving with uniform velocity?
A body projected vertically up with a velocity of 10 m/s reaches a height of 20 m. If it is projected with a velocity of 20 m/s, then the maximum height reached by the body is: