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morpeh [17]
3 years ago
10

Please answer both questions thanks Will mark as brainiest

Physics
1 answer:
ololo11 [35]3 years ago
4 0
D.

gas>liq>solid
as density increases,  speed decreases.
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They have a diagonal relationship

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2 cannons fire projectiles upwards with the same velocity. The
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Answer:

Explanation:

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Two projectile is fired vertically upward

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A electric heater that draws 13.5 a of dc current has been left on for 10 min. how many electrons that have passed through the h
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By definition, Ampere is a unit of current which is a measure of the amount of charge passing through a point in a circuit per unit  of time, with an equivalent charge of 1.602 x 10^(-19) Coulomb per electron. To determine the number of electrons passing through the heater, we use the definition of the current. We calculate as follows:

13.5 A = 13.5 C per second
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3 0
4 years ago
A child swings on a playground swing. How many times does the child swing through the swing's equilibrium position during the co
Karolina [17]
<h2>The child swing through the swing's equilibrium position 6 times during the course of 3 periods.</h2>

Explanation:

One period means time taken to complete one revolution.

In case of swings in one period time it travels the same position through two times.

Here we need to find how many times does the child swing through the swing's equilibrium position during the course of 3 period(s) of motion.

For 1 period = 2 times

For 3 periods = 3 x For 1 period

For 3 periods = 3 x 2 times

For 3 periods = 6 times

The child swing through the swing's equilibrium position 6 times during the course of 3 periods.

3 0
3 years ago
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