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MissTica
3 years ago
12

#9 help please I don’t know what formula to use

Physics
1 answer:
butalik [34]3 years ago
4 0

Imagine if the tourist could just get in the car right before the bear could catch him. This means they took the same amount of time to reach the car.

distance travelled by the tourist = d m

distance travelled by the bear = (26 + d) m

time taken by the tourist = time taken by the bear

\frac{d}{4} =\frac{26+d}{6} \\6d=4(26+d)\\2d=104\\d=52

So, the max d is 52.

Hope this helps:)

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\\ \sf\longmapsto F=ma

\\ \sf\longmapsto m=\dfrac{F}{a}

\\ \sf\longmapsto m=\dfrac{50}{6.8}

\\ \sf\longmapsto m=7.3kg

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F each fission reaction in a nuclear reactor emits three neutrons, how many neutrons are produced from three fission reactions?
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The Three fission reactions will produce nine neutrons

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2 years ago
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5 0
3 years ago
2. A 200.0-kg bear grasping a vertical tree slides down at constant velocity. What is the friction force between the tree and th
Neporo4naja [7]

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Explanation:

The bear is sliding down at constant velocity: this means that its acceleration is zero, so the net force is also zero, according to Newton's second law:

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There are two forces acting on the bear: its weight W, pulling downward, and the frictional force Ff, pulling upward. Therefore, the net force is given by the difference between the two forces:

F_{net}=W-F_f=0

From the previous equation, we find that the frictional force is equal to the weight of the bear:

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8 0
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