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kolezko [41]
3 years ago
10

An object has a mass of 25 kg. What is the force of gravity acting on the object?

Physics
1 answer:
aleksandrvk [35]3 years ago
5 0

Answer:

25

Explanation:

Because u don't know the gravity so u take that force and just put it in the gravity spot

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<span>The velocity would be 54.2 m/s We would use the equation 1/2mv^2top+mghtop = 1/2mv^2bottom+mghbottom where m is the mass of the bobsled(which can be ignored), vtop/bottom is the velocity of the bobsled at the top or bottom, g is gravity, and htop/bottom is the height of the bobsled at the top or bottom of the hill. Since the velocity of the bobsled at the top of the hill and height at the bottom of the hill are zero, 1/2mv^2top and mghbottom will equal zero. The equation will be mghtop=1/2mv^2bottom. Thus we would solve for v.</span>
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3 years ago
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A car travels for 5.5 h at an average speed<br> of 75 km/h. How far did it travel?<br> T TE
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Answer:

\boxed {\boxed {\sf 412.5 \ kilometers }}

Explanation:

Distance is the product of speed and time.

d=s*t

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s= 75 \ km/hr \\t= 5.5 \ hr

Substitute the values into the formula.

d= 75 \ km/hr * 5.5 \ hr

Multiply. Note that the hours will cancel each other out.

d= 75 km * 5.5 \\d= 412.5 \ km

The car travelled <u>412.5 kilometers.</u>

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Answer:

No

Explanation:

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To measure the length of her window, she could use an inelastic tape rule or a metre rule. These instruments would eliminate instrumental error.

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Current would flow between them and they would receive a terrible shock.
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Explanation:

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2 years ago
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