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3 years ago

Two identical balls move at the same speed what momentum do the balls possess

Physics

1 answer:

Kipish [7]3 years ago

6 0

At highest point above h from initial position .

And then ball B come to point A with same velocity v and after that elastic collision between A and B .

B get rest and A move with velocity v by momentum conservation .

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Which type of thermal energy transfer warms your hand when you hold it near a glass of hot water?

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Answer: the answer is radiation

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3 years ago

Read 2 more answers

A stone is catapulted at time t = 0, with an initial velocity of magnitude 19.9 m/s and at an angle of 39.9° above the horizonta

larisa [96]

Answer:

Part a)

$x = 15.76 m$

Part b)

$y = 7.94 m$

Part c)

$x = 26.16 m$

Part d)

$y = 7.49 m$

Part e)

$x = 83.23 m$

Part f)

$y = -75.6 m$

Explanation:

As we know that catapult is projected with speed 19.9 m/s

so here we have

$v_x = 19.9 cos39.9$

$v_x = 15.3 m/s$

similarly we have

$v_y = 19.9 sin39.9$

$v_y = 12.76 m/s$

Part a)

Horizontal displacement in 1.03 s

$x = v_x t$

$x = (15.3)(1.03)$

$x = 15.76 m$

Part b)

Vertical direction we have

$y = v_y t - \frac{1]{2}gt^2$

$y = (12.76)(1.03) - 4.9(1.03)^2$

$y = 7.94 m$

Part c)

Horizontal displacement in 1.71 s

$x = v_x t$

$x = (15.3)(1.71)$

$x = 26.16 m$

Part d)

Vertical direction we have

$y = v_y t - \frac{1]{2}gt^2$

$y = (12.76)(1.71) - 4.9(1.71)^2$

$y = 7.49 m$

Part e)

Horizontal displacement in 5.44 s

$x = v_x t$

$x = (15.3)(5.44)$

$x = 83.23 m$

Part f)

Vertical direction we have

$y = v_y t - \frac{1]{2}gt^2$

$y = (12.76)(5.44) - 4.9(5.44)^2$

$y = -75.6 m$

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3 years ago

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BlackZzzverrR [31]

Answer:.

Explanation:

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3 years ago

Does a perfectly elastic colission conserve momentum and impulse

Degger [83]

Answer:

A perfectly elastic collision conserves momentum and kinetic energy..

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3 years ago