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Alika [10]
3 years ago
7

A box experiencing a gravitational force of 600 N is being pulled to the right with force of 250 N. A 25 N frictional force acts

on the box as it moves to the right.
Physics
1 answer:
bearhunter [10]3 years ago
6 0

Answer: 0 NEWTONS

Explanation:

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A boat is travelling down stream in a river at 20 m/s south. A passenger on the boat walks toward the back of the boat at 10 m/s
artcher [175]

The question is unclear regarding the boat's velocity. Is it 20 m/s south relative to the water, or relative to the earth? (It is a river, after all...)

There's also the possibility that the boat's velocity relative to the river is 0. Take the south direction to be negative and north to be positive, and denote by v_{A/B} the velocity of a body A relative to a body B. Under these conditions,

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v_{P/E}=10\,\dfrac{\mathrm m}{\mathrm s}+0-20\,\dfrac{\mathrm m}{\mathrm s}=-10\,\dfrac{\mathrm m}{\mathrm s}

or 10 m/s south.

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The table lists pressure and volume values for a particular gas. Which is the best estimate for the value of V at P = 7.0 × 103
Tju [1.3M]

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2.0 × 104 2.0

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How do we use velocity curves (obtained from spectroscopy to show that some extrasolar planets are close to their host stars?
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The velocity curve is such in which the x-axis is the velocity and the y is the time. The distance traveled by the object is calculated by multiplying velocity and time. Thus, in the velocity curve, the distance can be easily calculated if we know where to look. 
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