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IB PHYSICS HL

Question. 1 :
A ball is released from rest near the surface of the Moon. Which one of the following quantities increases at a constant rate? A. Only distance fallen B. Only speed C. Only speed and distance fallen D. Only speed and acceleration
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Question. 2 :
hello
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Question. 3 :
(1) The stone leaves Christina’s hand (point O) at a speed of 15 m s−1 in the direction shown. Her hand is at a height of 25 m above sea level. The mass of the stone is 160 g. The acceleration due to gravity g = 10 m s−2. (b) (i) Calculate the kinetic energy of the stone immediately after it leaves Christina’s hand. ........................................................................................................................... ........................................................................................................................... (1) (ii) State the value of the kinetic energy at point Q. ........................................................................................................................... (1) (iii) Calculate the loss in potential energy of the stone in falling from point Q to hitting the sea. ........................................................................................................................... ........................................................................................................................... (1) (iv) Determine the speed with which the stone hits the sea. ........................................................................................................................... ........................................................................................................................... ........................................................................................................................... (2) (Total 7 marks)
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Question. 4 :

i want help in simple pendulum lab report.

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Question. 5 :

how electromagnet works?

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Question. 6 :

 momentum

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Question. 7 :

 momentum

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Question. 8 :

 microsoftmicrosoftmicrosoftmicrosoft

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Question. 9 :

what is SI unit of momentum?

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Question. 10 :

Advantage of moment of inertia

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