2 years ago

Potential energy is _____ energy. A. heat B. stored C. released

Physics

2 answers:

Triss [41]2 years ago

8 0

Answer:

B. stored

Explanation:

crimeas [40]2 years ago

3 0

Answer:

Potential energy is stored energy.

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A car is traveling at 39.7 mi/h on a horizontal highway. The acceleration of gravity is 9.8 m/s 2 . If the coefficient of fricti

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Answer:

The minimum distance in which the car will stop is

x=167.38m

Explanation:

$39.7\frac{mi}{h}*\frac{1km}{0.621371mi}*\frac{1000m}{1km}*\frac{1h}{3600s}=17.747\frac{m}{s}$

∑F=m*a

∑F=u*m*g

The force of friction is the same value but in different direction of the force moving the car so it can stop so

$F=m*a\\a=\frac{F}{m}\\a=\frac{u*m*g}{m}\\a=u*g\\a=0.096*-9.8\frac{m}{s^{2} }$

$a=-0.9408 \frac{m}{s^{2}}$

$v_{f}^{2}=v_{o}^{2}+2*a*(x_{f}-x_{o})\\v_{f}=0 \\x_{o}=0\\0=v_{o}^{2}+2*a*x_{f}\\x_{f}=\frac{v_{o}^{2}}{2*a} \\x_{f}=\frac{(-17.747\frac{m}{s})^{2}}{2*(-0.9408)} \\x_{f}=167.38m$

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2 years ago

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tekilochka [14]

Answer:

galileo

Explanation:

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at point A the ball possess pontetial energy , point B kinetic energy then point C pontetial energy

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The famous scientist Galileo Galilei did several experiments with sloping planes, which he rolled metal balls down so that he co

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Hi there!

The answer would be B. the slope of the plane.

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