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Genrish500 [490]
3 years ago
12

PLEASE ANSWER 50 points

Physics
1 answer:
Evgen [1.6K]3 years ago
6 0
Increase the force the engine provides and decrease the mass of the car
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The first one is dependent variable
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a person standing at the edge of a seaside cliff kicks a stone over the edge with a speed of 18 m/s. The cliff is 52 m above the
Alexxx [7]
You already have the speed, now you need the time.
I will use the formula for speed which is S=D/T.
S=Speed    D=Distance   T=Time.
So here we have, 18m/s = 52m/T
we do 18 divided by 52 which would be .3461.
.3461 seconds is how long it took the stone to reach the water.
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4. A 62.0-kg person, standing on the diving board, dives straight down into the water. Just before striking the water, her speed
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To solve this problem it is necessary to apply the concepts related to the Moment. The moment in terms of the Force and the time can be expressed as

\Delta P = F\Delta t

F = Force

\Delta t = Time

At the same time the moment can be expressed in terms of mass and velocity, mathematically it can be given as

P = m \Delta v

Where

m = Mass

\Delta v = Change in velocity

Our values are given as

\Delta t=1.65s

By equating the two equations we can find the Force,

F\Delta t = m\Delta v

F = \frac{m\Delta v}{\Delta t}

F = \frac{62(1.1-5.5)}{1.65}

Therefore, the net average force will be:

F = - 165N

The negative symbol indicates that the direction of the force is upwards.

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sergeinik [125]

The major difference is: Mercury has no orbiting satellites, while Jupiter has many satellites that surround it, so the correct answer is C

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A rock that contains enough of a particular substance to make it worth mining is called a(n) _____.
lora16 [44]

Answer:

The answer is A .

Explanation:

Ore is a rock that requires mining .

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