PLEASE PLEASE PLEASE HELP!!!! WILL MARK BRAINILIEST!!!!!!!!!!!

Physics

1 answer:

xxTIMURxx [149]3 years ago

6 0

Answer:

The purpose of our major is to deepen knowledge and understanding of one of the most powerful forces operating on people, communities and corporations today, namely government and politics in the USA and around the world. This knowledge and understanding is valuable for all citizens.

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Gravity is a force. <br> True <br> False

Ratling [72]

The answer is true. Gravity is the force that keeps us all on the ground.

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3 years ago

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Bill and Nageen have each built an electric motor and they are testing them by having them lift boxes. Bill's motor lifts a box

photoshop1234 [79]

Answer:

Bill's motor power: W_B = F x S / T = F x 0.35 / 2= 0.175F

Nageen's motor power: W_N = F x S / T = F x 0.35 / 1.8 = 0.194F

=> 0.194F > 0.175F => Nageen's motor applied more power to the box than Bill's motor.

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Which means for obtaining hydrogen from water would require the most energy??

Flauer [41]

I think the correct answer would be to electrolyze water (run an electric current through it) to decompose it into hydrogen and oxygen. Assuming 100% efficiency, it is said that it needs about 40kWh per kilogram of water to fully decompose it.

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A woman rides a carnival Ferris wheel at radius 20 m, completing 6.0 turns about its horizontal axis every minute. What are (a)

natta225 [31]

Answer:

Explanation:

Given

radius of ferris wheel is 20 m

It completes 6 turns in 1 min

i.e. 1 turn in 10 sec

Therefore its angular velocity is $\omega =\frac{2\pi }{10} rad/s$