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Leni [432]
3 years ago
6

What is the difference between mass density and weight density?

Physics
1 answer:
Brut [27]3 years ago
8 0

Mass= amount of matter

Weight=the amount of gravity exerted

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What's the equivalent resistance to the resistances shown?<br><br>A) 5<br>B) 6<br>C) 2<br>D) 3
PIT_PIT [208]
From A to B its 5 ohm.
above shown 6 and 12 ohm resistors are in parallel to short circuit hence their equivalent resistance is zero.
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3 years ago
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One terminal of a car battery is said to be connected to “ground.” since it is not really connected to the ground, what is meant
GalinKa [24]
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4 years ago
Which of the following orders represents the ordering found in an alphanumeric outline?
makkiz [27]

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3 years ago
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Estimate the average force that a baseball pitcher's hand exerts on a 0.145-kg baseball as he throws a 40-m/s pitch. Assume the
Kitty [74]

Answer:

38.67 N

Explanation:

v = Final velocity = 40 m/s

u = Initial velocity

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s = Displacement of ball = 3 m

Equation of motion

v^2-u^2=2as\\\Rightarrow a=\frac{v^2-u^2}{2s}\\\Rightarrow a=\frac{40^2-0^2}{2\times 3}=\frac{800}{3}\ m/s^2

F=ma

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∴ Average force that a baseball pitcher's hand exerts on the ball is 38.67 N

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3 years ago
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