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ollegr [7]
3 years ago
8

What is a device that minimizes the force on a microscopic object during a collision?

Physics
1 answer:
liraira [26]3 years ago
3 0
An impact which stops a moving object must do enough work to take away its kinetic energy, so extending the distance moved during the collision reduces the impact force.
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When point charges q = +8.4 uC and q2 = +5.6 uC are brought near each other, each experiences a repulsive force of magnitude 0.6
Stella [2.4K]

Answer:

it is separated by 80 cm distance

Explanation:

As per Coulombs law we know that force between two point charges is given by

F = \frac{kq_1q_2}{r^2}

here we know that

q_1 = +8.4\mu C

q_2 = +5.6 \mu C

force between two charges is given as

F = 0.66 N

now we have

F = \frac{kq_1q_2}{r^2}

0.66 = \frac{(9\times 10^9)(8.4 \mu C)(5.6 \mu C)}{r^2}

r = 0.8 m

so it is separated by 80 cm distance

3 0
2 years ago
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Mama L [17]
<h3><u>Answer;</u></h3>

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<h3><u>Explanation;</u></h3>
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3 years ago
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A student puts a piece of ice into a beaker of cold water. Which two statements are true. Please help
lesya692 [45]

Answer:

A. Thermal energy will move from the water to the ice.

B. Thermal energy will move from air to the water.

C. Thermal energy will move from the ice to the air.

D. Thermal energy will move from the water to the air.

A and B are correct

Explanation:

Because thermal energy will move from the water to the ice

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Variations to the forehand stroke are not allowed. a. true b. false
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This is b. false

There are numerous ways of adjusting the forehand stroke and variations are allowed.
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What type of kinetic energy does flowing water have?
mina [271]

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none it's Hydroelectric energy

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