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garri49 [273]
3 years ago
10

Select the two true statement about a free body diagram

Physics
2 answers:
Andrew [12]3 years ago
5 0
It’s 1 and 4bjdjdjdjfndjd
BabaBlast [244]3 years ago
3 0

Answer: 1and4

Explanation:

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Radio waves have the lowest radiant energy, hope this helps :]
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It is weigh-in time for the local under 85 kg rugby team. The bathroom scale used to assess eligibilty can be described by Hooke
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<span>k = 1.7 x 10^5 kg/s^2 Player mass = 69 kg Hooke's law states F = kX where F = Force k = spring constant X = deflection So let's solve for k, the substitute the known values and calculate. Don't forget the local gravitational acceleration. F = kX F/X = k 115 kg* 9.8 m/s^2 / 0.65 cm = 115 kg* 9.8 m/s^2 / 0.0065 m = 1127 kg*m/s^2 / 0.0065 m = 173384.6154 kg/s^2 Rounding to 2 significant figures gives 1.7 x 10^5 kg/s^2 Since Hooke's law is a linear relationship, we could either use the calculated value of the spring constant along with the local gravitational acceleration, or we can simply take advantage of the ratio. The ratio will be both easier and more accurate. So X/0.39 cm = 115 kg/0.65 cm X = 44.85 kg/0.65 X = 69 kg The player masses 69 kg.</span>
4 0
4 years ago
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Which statement accurately describes the motion of the objects in the ticker tape above?
Fynjy0 [20]

Answer: "One object speeds up before it slows to a stop "

(the top one)

Explanation:

Ok, first a little recall on how to read this type of graph.

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If the points are close together, the object is moving slow.

If the distance between the points changes then the velocity of the object changes, which means that the object is accelerated.

If we have a lot of points clustered in one location, then the object is not moving.

We can see:

The top object starts slow, then it increments the speed, then it slows down again, and then it comes to stop.

The bottom object starts fast, and it slows down.

then:

"One object speeds up before it slows to a stop "

This describes the motion of the top object, this is the only correct option that describes one of the graphs.

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3 years ago
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