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4 years ago

Turn the ignition switch to start and release the key immediately or you could destroy the______________.

Physics

1 answer:

vredina [299]4 years ago

5 0

Starter

Explanation:

Turn the ignition switch to start and release the key immediately or you could destroy the starter.

The car starter is used to cause ignition in the internal combustion engine in order to fire the piston and cause mechanical motion. The starter is used to start the cyclic process of the internal combustion engine.

Once the engine starts by igniting the starter, it is best to release it.
The starter ensures that the spark plug is engaged and the motor is brought into work.
If the ignition is still engaged, the process continues repeatedly and it can damage the starter of the car.

learn more:

Automobile brainly.com/question/2599962

#learnwithBrainly

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A stone falls from rest from the top of a cliff. A second stone is thrown downward from the same height 2.7 s later with an init

Darina [25.2K]

Answer:4.05 s

Explanation:

Given

First stone is drop from cliff and second stone is thrown with a speed of 52.92 m/s after 2.7 s

Both hit the ground at the same time

Let h be the height of cliff and it reaches after time t

$h=\frac{gt^2}{2}$

For second stone

$h=52.92\times \left ( t-2.7\right )+\frac{g\left ( t-2.7\right )^2}{2}$ ---2

Equating 1 &2 we get

$\frac{gt^2}{2}=52.92\times \left ( t-2.7\right )+\frac{g\left ( t-2.7\right )^2}{2}$

$\frac{g}{2}\left ( t-t+2.7\right )\left ( 2t-2.7\right )-\left ( t-2.7\right )52.92=0$

$13.23\times \left ( 2t-2.7\right )-\left ( t-2.7\right )52.92=0$

$26.46t-35.721-52.92t+142.884=0$

$t=4.05 s$

4 0

3 years ago

A piston above a liquid in a closed container has an area of 1m2. The piston carries a load of 350 kg. What will be the external

ddd [48]

The weight of the load is (mass) x (gravity)

   = (350 kg) x (9.8 m/s²)

   =    3,430 newtons .

The force on the surface of the liquid is the weight of the piston and its load.

The pressure on the surface of the liquid is (force) / (area)

   = (3,430 newtons) / (1 m²)

   = 3,430 pascals

   = 3.43 kPa

This doesn't include anything for the weight of the piston without its load,
but it's certainly the closest of the choices.

7 0

4 years ago

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If a dog has the mass of 14.5kg and accelerates at a rate of 8m/sec2 →, If he runs into you what is the force he hits you with?

pashok25 [27]

Answer:

F=ma

m=14.5kg

a=8m/s^2

F=14.5×8

F=116N

Explanation:

PLS MARK BRAINLIEST

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3 years ago

What happens to water when it changes to ice?

Vinvika [58]

Answer:

Its density decreases, and its volume increases

Explanation:

Density is defined as Mass/Volume. What happens when water transforms into ice is that its density decreases because the volume the molecules now occupy increases.

The denominator of the rational expression $\frac{Mass}{Volume}$ is now larger (while the numerator stays the same), so the quotient gives a smaller number.

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3 years ago

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A 60-kg person is traveling in a car moving at 16 m/s, when the car hits a barrier. The person is not wearing a seat belt, but i

marin [14]

Using conservation of momentum, we can solve for the force that the air bag exerts on the person.

Recall the equation for momentum (p):

$p = mv = F*dt$

We can solve for total momentum, then divide by out time interval. This gets us:

$(60kg)(16m/s) = F(0.2s)


F = 4800N$

F = 4800N

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3 years ago