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Likurg_2 [28]
3 years ago
15

A father racing his son has 1/2 the kinetic energy of the son, who has 1/4 the mass of the father. The father speeds up by 1.4 m

/s and then has the same kinetic energy as the son. What are the original speeds of (a) the father and (b) the son?
Physics
1 answer:
Assoli18 [71]3 years ago
5 0

answer:idk because idk how to work it out

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Dmitry [639]

Answer: 176.4 J

Explanation:

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A 1200 kg elevator accelerated upwards at 2 m/s2. Draw a force diagram for the elevator. Calculate the force of tension in the c
pishuonlain [190]

Answer:

4800

Explanation:

You have to multiply the 1200 kg and the 2 m/s2. Then multiply the other 2 by the 2400 because it was the answer to the first part now after you multiply your answer is 4800.

6 0
3 years ago
Why is it important to learn refusal skills?
Elena L [17]

I'd say C to avoid situations in which alcohol is present and remain alcohol free

Refusal skills help people, most likely children it helps them avoid participating in risky behaviors and choices. such like alcohol in this case

Refusal skills Helps them resist peer pressure and help them make right choices


Hope that helps alrighty bye now!

6 0
3 years ago
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How would the seasons be different if Earth were not tilted on its Axis?
Alja [10]

Answer:

no seasons

Explanation:

if the earth weren't tilted, it would rotate like that as it revolved around the sun, and we wouldn't have seasons—only areas that were colder (near the poles) and warmer (near the Equator).

6 0
3 years ago
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When was the Federation Internationale de Football Association ( F.I.F.A) founded ?
Fantom [35]

Answer:

c - May 21, 1904

Federation lnternational de Football Association was established on May 21, 1904

Explanation:

<h3>I hope it helps ❤❤</h3>
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