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sveticcg [70]
3 years ago
9

Two masses, each having a value of M, are vibrating vertically on a spring with a Hooke's law constant, k. At the lowest point o

f the vibration, one of the masses falls off, so that now the total mass is M instead of 2M. Comparing the new vibrational motion to the original vibrational motion: 1) How is the period of vibration different, if at all
Physics
1 answer:
ELEN [110]3 years ago
7 0
What are you asking for they
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Challenge: Some but not all of the gasoline used by car's enegine is transformed into kinetic energy. Where might some of the en
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8 0
3 years ago
Water runs out of a horizontal drainpipe at the rate of 135 kg/min. It falls 3.1 m to the ground. Assuming the water doesn't spl
Arlecino [84]

Answer:

The average force exerted by the water on the ground is 17.53 N.

Explanation:

Given;

mass flow rate of the water, m' = 135 kg/min

height of fall of the water, h = 3.1 m

the time taken for the water to fall to the ground;

h = ut + \frac{1}{2}gt^2\\\\h = 0 +  \frac{1}{2}gt^2\\\\t = \sqrt{\frac{2\times 3.1}{9.8} } \\\\t = 0.795 \ s

mass of the water;

m = m't\\\\m = 135 \ \frac{kg}{min} \ \times \ 0.795 \ s \ \times \ \frac{1 \ \min}{60 \ s} \ = 1.789 \ kg

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F = 1.789 x 9.8

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Therefore, the average force exerted by the water on the ground is 17.53 N.

7 0
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