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Eva8 [605]
3 years ago
13

In a system, when energy is transformed from one form to another

Physics
2 answers:
Novosadov [1.4K]3 years ago
6 0

Answer:

C: the total energy is conserved

Explanation:

In a closed system they total mechanical energy is always conserved although energy may change from one form to another

bogdanovich [222]3 years ago
5 0

Answer:

C. the total energy is conserved

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A skier leaves the horizontal end of a ramp with a velocity of 25.0 m/s and lands 70.0 m from the base of the ramp. How high is
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Answer:

<em>The end of the ramp is 38.416 m high</em>

Explanation:

<u>Horizontal Motion </u>

When an object is thrown horizontally with an initial speed v and from a height h, it follows a curved path ruled by gravity.

The maximum horizontal distance traveled by the object can be calculated as follows:

\displaystyle d=v\cdot\sqrt{\frac  {2h}{g}}

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\displaystyle h=\frac  {d^2g}{2v^2}

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\displaystyle h=\frac  {70^2\cdot 9.8}{2\cdot 25^2}

\displaystyle h=\frac  {4900\cdot 9.8}{2\cdot 625}

h= 38.416 m

The end of the ramp is 38.416 m high

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Which of the following is not a part of dalton s atomic theory?
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