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2 years ago

This questions pls help

Physics

2 answers:

abruzzese [7]2 years ago

7 0

Answer:

1. True

2. False

3. True

4. True

5. False

qaws [65]2 years ago

3 0

True, False, True, True, False :) !

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3 years ago

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Complete Question

The complete question is shown on the first uploaded image

Answer:

The work done by the spring is = $0.27 J$

Explanation:

Force = torque × length

Given

F = 9.13 N

length (L) = 5.91 cm = 0.0591 m [Note 1 m = 100 cm ]

considering the formula above

$9.13 = k * 0.0591$ where k denotes torque

$k = 154.48\ N/m$

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$= \frac{1}{2} * 154.48 * (0.0591)^2$

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3 years ago

Three kids are riding on a snow sled traveling horizontally without friction at 19.8 m/s. The masses of Kid A, B, and C are 42.8

Kamila [148]

Answer:

34.6 m/s

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Final mass will be 31.5+25.9=57.4 kg

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M1v1=m2v2

Making v2 the subject of the formula then

$V2=\frac {M1v1}{m2}$