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Lostsunrise [7]
3 years ago
8

How does velocity change in a circular motion​

Physics
1 answer:
djverab [1.8K]3 years ago
6 0

Explanation:

For an object to maintain circular motion it must constantly change direction. Since velocity is a vector, changes in direction constitute changes in velocity. A change in velocity is known as an acceleration. The change in velocity due to circular motion is known as centripetal acceleration.

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_____ contains chemical energy.<br> A. Heat<br> B. Light<br> C. Natural gas
FinnZ [79.3K]

The answer is C. Natural gas because both A and B are their own forms of energy.

5 0
2 years ago
Read 2 more answers
A 13.6 kg block is tied at the top of an incline to a tree. If the incline is 35.5 degrees and the coefficient of friction betwe
Gre4nikov [31]

Answer:

Explanation:

ASSUMING that block = sled AND that the rope is parallel to the slope.

The force acting parallel due to the weight is

13.6(9.81)sin35.5 = 77.475 N

The maximum friction force is

(0.45)13.6(9.81)cos35.5 = 48.877 N

If rope tension is T

77.475 - 48.877 < T < 77.475 + 48.877

            28.6 N < T < 126 N

28.6 N will occur if the block is on the verge of sliding downhill

126 N will occur if the block is on the verge of sliding uphill

Could be any value between them.

5 0
3 years ago
The probability that a battery will last 10 hr or more is 0.8, and the probability that it will last 15 hr or more is 0.11. Give
podryga [215]
We are given with the data that says the probability that a battery will last 10 hr or more is 0.8 and the probability <span>that it will last 15 hr or more is 0.11. In this case, the probability that the battery lasts at least 10 hours and even 15 hrs more is 0.11 / 0.8 or equal to 13.75 percent.</span>
5 0
3 years ago
Explain how you can work out the
Ne4ueva [31]

Answer:

The speed of light changes as it moves between media. This causes refraction. Angles of refraction can be calculated using known speeds or wavelengths. Beyond the critical angle, light is reflected.

8 0
3 years ago
The attraction will vary directly with the separation between the charges.
Burka [1]
No it won't. It'll vary inversely as the square of the separation.
4 0
2 years ago
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