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3 years ago

7

Calculate the force it would take to accelerate a 50 kg bike at a rate of 3 m/s2.

1 answer:

Ede4ka [16]3 years ago

4 0

ummmm it might be 300... i used a calculator

sorry if it is wrong

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When heat is removed from a substance , describe how the molecules are affected

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I believe they would electron rate would slow down and the molecules would shrink.

I am almost positive that this is correct. I hope it helps!

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2 years ago

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Why does Mars not have an electric field and why

tangare [24]

Answer:

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Explanation:

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2 years ago

A rectangular barge, 5.2 m long and 2.4 m wide, floats in fresh water. Suppose that a 410-kg crate of auto parts is loaded onto

sesenic [268]

<h2>Answer:</h2><h2>The depth of barge float=3 cm</h2><h2>Explanation:</h2>

Length of rectangular barge=5.2 m

Width of rectangular barge=2.4m

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Let h be the height of barge float

Volume of barge float= $l\times b\times h=5.2\times 2.4\times h=12.48h$

Density of water= $10^3kg/m^3$

Weight of water displaced by barge=Buoyant force=-Weight of horse

$Volume\;of\;water\times density\;of\;water\times g=410\times g$

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1 m=100 cm

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Hence, the depth of barge float=3 cm

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4 0

3 years ago

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Amy is standing still on the ground; Bill is riding his bicycle at 5 m/s eastward; and Carlos is driving his car at 15 m/s westw

Solnce55 [7]

Answer:

20 m/s westward

Explanation:

Taking eastward as positive direction, we have:

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$v_C = -15 m/s$ is the velocity of Carlos with respect to Amy

Bill is moving 5 m/s eastward compared to Amy at rest, so the velocity of Bill's reference frame is

$v_B = +5 m/s$

Therefore, Carlos velocity in Bill's reference frame will be

$v_C' = v_C - v_B = -15 m/s - (+5 m/s) = -20 m/s$

and the direction will be westward (negative sign).

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2 years ago

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Fittoniya [83]

I think the answer is B

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3 years ago

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