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mixas84 [53]
2 years ago
14

A 10.00 kg block is placed at the top of a long frictionless inclined plane angled at 37.9 degrees relative to the horizontal. T

he block is launched down the slope with an initial speed of 5.00 m/s. Calculate how far the block has moved from its starting point after 4.00 seconds. [Assume that the initial velocity is achieved almost instantaneously, that the inclined plane is longer than the distance traveled, and that you can ignore air resistance]
Physics
1 answer:
NeX [460]2 years ago
4 0

Answer

i dont know

Explanation:

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Question 1 of 7What is the change in internal energy if 90 J of thermal energy is added to asystem, and the system does 30 J of
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Given:

The thermal energy added to the system is Q = 90 J

The work done by the system on the surroundings is W = 30 J

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Explanation:

According to the first law of thermodynamics, the change in internal energy can be calculated by the formula

\Delta U=\text{ Q-W}

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\begin{gathered} \Delta U\text{ =90-30} \\ =60\text{ J} \end{gathered}

Final Answer: The chage in internal energy is 60 J (option D)

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Moving a charged object against an electrical force causes it to
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Decelerate

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