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DanielleElmas [232]
3 years ago
15

If mass is the amount of MATTER present in the

Physics
2 answers:
Anuta_ua [19.1K]3 years ago
8 0

Answer:

yes

Explanation:

Korvikt [17]3 years ago
6 0

Answer:

Yes it would be different on Earth and the moon

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The five general principles from the APA are meant to __________. A. be enforceable rules B. be posted in every office C. guide
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The answer is C guide and inspire good conduct
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Imagine holding a basketball in both hands, throwing it straight up as high as you can, and then catching it when it falls. At w
Alisiya [41]

Answer:

C. At the instant the ball reaches its highest point.

Explanation:

When a body is thrown up, it tends to come down due to the influence of gravitational force acting on the body. The body will be momentarily at rest at its maximum point before falling. At this maximum point, the velocity of the body is zero and since force acting on a body is product of the mass and its acceleration, the force acting on the body at that point will be "zero"

Remember, F = ma = m(v/t)

Since v = 0 at maximum height

F = m(0/t)

F = 0N

This shows that the force acting on the body is zero at the maximum height.

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3 years ago
A sample of gas in a syringe releases heat to its surroundings while the
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Answer: b

Explanation:

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In this case, the plunger is pulled out, and work is done on the system. So, we take work as negative work -W

Correct option is b

3 0
3 years ago
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What is the total energy of a particle with a rest mass of 1 gram moving with half the speed of light? 1 eV = 1.6 x 10^-19 J. An
GREYUIT [131]

Answer:

6.5 x 10^32 eV

Explanation:

mass of particle, mo = 1 g = 0.001 kg

velocity of particle, v = half of velocity of light = c / 2

c = 3 x 10^8 m/s

Energy associated to the particle

E = γ mo c^2

E=\frac{m_{0}c^}2}{\sqrt{1-\frac{v^{2}}{c^{2}}}}

E=\frac{m_{0}c^}2}{\sqrt{1-\frac{c^{2}}{4c^{2}}}}

E=\frac{2m_{0}c^}2}{\sqrt{3}}

E=\frac{2\times0.001\times9\times10^{16}}{1.732}

E=1.04\times10^{14}J

Convert Joule into eV

1 eV = 1.6 x 10^-19 J

So, E=\frac{1.04\times10^{14}}{1.6\times10^{-19}}=6.5\times10^{32}eV

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3 years ago
How are problems best solved by scientists?
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One scientist proposes an idea and other scientists repeat his or her experiments so they can Accept the Idea.
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