3 years ago

A proton is released from rest at x=5 cm. what direction does it move?

Physics

1 answer:

Veronika [31]3 years ago

6 0

Down to the left, down the the right, criss cross!

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What is missing from this graph?<br><br> (A) A title.<br> (B) Axis labels.<br> (C) A trendline.

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Axis labels. We don’t know what is being compared with the data

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2 years ago

a cinder block is sitting on a platform 20 m high. it weighs 7.9 the block has potential energy. calculate it.

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3 years ago

In one experiment, the students allow the block to oscillate after stretching the spring a distance A. If the potential energy s

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Answer:

K = m g (A - A2)

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For when the system is at an ele

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4 years ago

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Two masses are suspended by cord that passes over a pulley with negligible mass. The cord also has negligible mass. One of the m

Alekssandra [29.7K]

Answer: F = 98N

Explanation: The shaft have to sustain the pulley, the cord and the two masses. The pulley and the cord have negligible masses, so, they have negligible weight.

The two masses have two vertical forces acting on them: force of traction because of the cord and force due to gravitational force, also known as weight.

So, the vertical force the shaft has to support is the sum of the weight of each mass:

$F_{net}=F_{g}_{1}+F_{g}_{2}$

$F_{net}=m_{1}.g+m_{2}.g$

$F_{net}=g(m_{1}+m_{2})$

$F_{net}=9.8(7+3)$

$F_{net}=$ 98

The vertical force that supports the whole system is 98 N.

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3 years ago