2 years ago

The kinetic and potential energies of an object both always depend on which property?.

Physics

1 answer:

hichkok12 [17]2 years ago

5 0

Answer:

the object's position.

Explanation: might help ion know

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You would like a pendulum that swings back and forth once every 2 seconds, but the one you have swings once every 1.9 seconds. W

patriot [66]

Your pendulum does a complete swing in 1.9 seconds. You want to SLOW IT DOWN so it takes 2.0 seconds.

Longer pendulums swing slower.

You need to <em>make your pendulum slightly longer</em>.

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3 years ago

A column of water exerts a pressure of 100.Pa and a force of 2.40 N. What is the cross-sectional area of a the column?

salantis [7]

p=f/a ... a=f/p = 2.4/100 = 0.024

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3 years ago

The quotient of 8.4x10° and a number n results in 5.6x 1027. What is the value of n?

konstantin123 [22]

Answer: n = 1.5 x 10^-18

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1 year ago

A shell is fired from the ground with an initial speed of 1.74 ✕ 103 m/s at an initial angle of 58° to the horizontal.

ValentinkaMS [17]

Answer:

a) horizontal range s=277671.77 m

b) time the shell is in motion 301.143 s

Explanation:

Is a parabolic movement so the velocity have two components:

$v = 1.74 x 10^{3} ( \frac{m}{s} )$

$\alpha = 58$ °

$v_{y} =v*Sen (\alpha )\\v_{x} =v*Cos (\alpha )$

$v_{y} =1740*Sen (58 )\\v_{x} =1740*Cos (58)$

$v_{y} = 1475.603 \frac{m}{s}\\v_{x} = 922.059 \frac{m}{s}\\$

$t= \frac{2*v_{y} }{g}$

$t= \frac{2*1475.603 }{9.8}$

$t= 301.143 s$

$v= \frac{s}{t} \\s= v_{x}*t$

$s= 922.059 \frac{m}{s} * 301.143 s$

$s = 277671.77 m$

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3 years ago

Do transparent objects absorb light?

blondinia [14]

No, transparent object let all the light through.

5 0

2 years ago