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MissTica
3 years ago
7

Amy has a mass of 30 kg, and she is riding a skateboard traveling 5 m/s. What is her momentum?

Physics
2 answers:
Kipish [7]3 years ago
7 0
The answer is 150Kg.m/s
Flauer [41]3 years ago
5 0
Hey there!

So we know that m*v=P.
And in this question m=30
v=5 m/s
P = 30*5 Kgm/s
P = 150 Kgm/s

So, your final answer is 150 Kg.m/s

Hope this helps! :)
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Type the correct answer in the box. Round your answer to the nearest whole number. Calculate the man’s mass. (Use PE = m × g × h
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Answer:

56 kg

Explanation:

The change in potential energy of the man is given by:

\Delta U = mg \Delta h

where

m is the man's mass

g is the gravitational acceleration

\Delta h is the change in height of the man

In this problem, we have:

\Delta U=4620 J is the gain in potential energy

g = 9.8 m/s^2 is the gravitational acceleration

\Delta h=8.4 m is the change in height

Re-arranging the equation and substituting the numbers, we find the mass:

m=\frac{\Delta U}{g\Delta h}=\frac{4620 J}{(9.8 m/s^2)(8.4 m)}=56 kg

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strojnjashka [21]
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padilas [110]

Answer:

The speed of transverse waves in this string is 519.61 m/s.

Explanation:

Given that,

Mass per unit length = 5.00 g/m

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Using formula of speed of the transverse waves

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sveta [45]

Answer:

4.5g/cm^3

Explanation:

Here, Mass(m)=67.5g

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