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संबंधित प्रश्न
Power spent by a body depends on the time for which it does work.
Determine the amount of work done when an object is displaced at an angle of 30° with respect to the direction of the applied force.
Explain the difference between a uniform linear motion and a uniform circular motion.
Is power a scalar quantity?
Fill in the boxe to show the corresponding energy transformation.
State the amount of work done by an object when it moves in a circular path for one complete rotation. Give a reason to justify your answer.
What is the difference between renewable and non-renewable resources?
(i) A 200g ball is thrown vertically upward with an initial velocity of 30 ms-1. Draw a velocity-time graph for the motion of ball.
(ii) How long will the ball take to reach the highest point?
(iii) What will be the kinetic energy of ball, when it returns to the starting point, neglecting the air resistance?
(iv) What will be the potential energy of ball at highest point?
