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হোম›নবম-দশম শ্রেণি›English Version›Physics›C-04 — Work, Power and Energy›C-04-Q030

C-04-Q030mediummulti_combo_mcq

Consider the following about kinetic energy: Which of the following is correct?

It depends on the square of velocity
It is a scalar quantity
Doubling mass doubles the kinetic energy at the same velocity

ai and ii
bii and iii
ci and iii
di, ii and iii

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এই অধ্যায়ের আরও প্রশ্ন

C-04-Q031Potential energy is energy stored due to the—
C-04-Q032The potential energy stored in a spring of constant compressed by is—
C-04-Q033The gravitational potential energy of a body of mass at height is—
C-04-Q034A body of mass 10 kg falls on a spring with velocity 10 m/s. If , the compression of the spring is—
C-04-Q035A body of mass 10 kg is thrown upwards with a velocity of 100 m/s. The maximum height reached (taking ) is app
C-04-Q036A body of mass 5 kg is thrown upwards with a velocity of 50 m/s. The height at which kinetic energy equals pot
C-04-Q037Using conservation of energy, the velocity of a body falling from height on reaching the ground is—
C-04-Q038The restoring force exerted by a spring compressed by amount is—
C-04-Q039To lift an object of mass , the upward force that must be applied equals—
C-04-Q040Consider the following statements about a stretched/compressed spring: Which of the following is correct?

C-04 — Work, Power and Energy — সব প্রশ্ন দেখুন (119টি) →