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3 years ago

You use a wedge that has a width of 1.1 in and a slope length of 3.3 in. What

Physics

1 answer:

xxTIMURxx [149]3 years ago

3 0

Answer:

D. 3

Explanation:

First of all the mechanical advantage of a wedge is defined as the ratio of its slope length to its width.

Mathematically,

$IMA = \frac{L}{W}$

where,

IMA= Mechanical Advantage

L= slope length, and

w= width.

Given that,

slope length, L= 3.3 inches, and

width ,W= 1.1 inches

Then,

Mechanical Advantage, IMA

$= \frac{3.3}{1.1} = 3$

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3 years ago

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2 years ago

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3 years ago

1)the car's engine power is 44000W. Explain this number in a physical sense

Ratling [72]

Answer:

1) It expresses the rate (top speed) at which it can move with time.

2) P = 20 W

3) h = 18 km

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1) Power is the rate of transfer of energy.

⇒ Power = $\frac{Energy(or workdone)}{Time}$

i.e P = $\frac{E}{t}$

Thus a car's engine power is 44000W implies that the engine of the car can propel the car at this rate. This expresses the rate (top speed) at which it can move with time.

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