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aksik [14]
2 years ago
10

Da 6.0 kg wooden crate slides across a wooden floor

Physics
1 answer:
IrinaK [193]2 years ago
4 0

Answer:coe?

Explanation:

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The constitution protects the rights of people because in the constitution is the bill of rights. Which are admendments, which contain all or our rights.
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A stalled car is being pushed up a hill at constant velocity by three people. The net force on the car is Group of answer choice
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Answer:

Not understanding question

Explanation:

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2 years ago
A weightlifter completes a series of lifts with a 700 N weight. In one lift, he raises the weight to a height of 2.5 m off the g
zhannawk [14.2K]

Answer:

The output power the weightlifter is 2916.67 W.

Explanation:

Given;

weight lifted, W = 700 N

height the weight is lifted, h = 2.5 m

time taken to lift the weight, t = 0.60 s

The output power the weightlifter is calculated as;

Power = Energy applied / time taken

Energy applied = weight lifted x height the weight is lifted

Energy applied = 700 x 2.5

Energy applied = 1750 J

Power = 1750 / 0.6

Power = 2916.67 J/s = 2916.67 W.

Therefore, the output power the weightlifter is 2916.67 W.

5 0
2 years ago
I have a picture of the question I need help with,
eduard

Given:

The initial velocity of the object, v=30 m/s

a_t=0

a_c≠0

The time period is Δt.

To find:

The right conclusion among the given choices.

Explanation:

a_t represents the tangential accleration on the object and a_c represents the centripetal acceleration on the object.

The centripetal acceleration is the acceleration that keeps the object in its circular path. The centripetal force only changes the direction of the velocity and not the magnitude.

Thus the magnitude of the velocity of the object remains the same after a time interval of Δt. But the direction of the velocity of the object will be changed and will be unknown after Δt seconds.

Final answer:

Thus the object will be traveling at 30 m/s in some unknown direction.

Therefore, the correct answer is option a.

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9 months ago
Which of the following weather conditions would result in the greatest rate of evaporation from the Earth's surface? A. hot and
lisov135 [29]
A: A hit and dry weather

Hope this helps :)
6 0
2 years ago
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