4 years ago

Which type of energy is produced

Physics

1 answer:

Andreyy894 years ago

5 0

Answer:

C. sound energy

Explanation:

hope this helps

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Answer:

The boat's acceleration are: a= 0.3 m/s² in west direction.

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Fm= 4100 N

Fwi= 800 N

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clearing a:

a= 0.3 m/s²

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<span>d. halogen is the answer</span>

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A net force of –8750N is used to stop of 1250.kg car travelling 25m/s. What braking distance is needed to bring the car to a hal

Karolina [17]

Answer:

d = 44.64 m

Explanation:

Given that,

Net force acting on the car, F = -8750 N

The mass of the car, m = 1250 kg

Initial speed of the car, u = 25 m/s

Final speed, v = 0 (it stops)

The formula for the net force is :

F = ma

a is acceleration of the car

$a=\dfrac{F}{m}\\\\a=\dfrac{-8750}{1250}\\\\a=-7\ m/s^2$

Let d be the breaking distance. It can be calculated using third equation of motion as :

$v^2-u^2=2ad\\\\d=\dfrac{v^2-u^2}{2a}\\\\d=\dfrac{0^2-(25)^2}{2\times (-7)}\\\\d=44.64\ m$

So, the required distance covered by the car is 44.64 m.

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The formula for calculating work is ___.

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Hey!

Formula for calculating work = Force × distance
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