3 years ago

Which example nest represents balanced forces ???

1 answer:

n200080 [17]3 years ago

5 0

Answer:

an elevator stopped on the third floor a basketball shot into a hoop a sled sliding down a snowy hill a tow truck pulling a car out of a ditch

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An astronaut rides in a circular training accelerator at 16 m/s. If the radius of the accelerator is 8.0 meters, what is his cen

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Answer:

$a=32\ m/s^2$

Explanation:

Given that,

The velocity of an astronaut in a circular path, v = 16 m/s

The radius of the accelerator, r = 8 m

We need to find his centripetal acceleration. The formula that is used to find the centripetal acceleration is given by :

$a=\dfrac{v^2}{r}\\\\a=\dfrac{(16)^2}{8}\\\\a=32\ m/s^2$

So, the required centripetal acceleration is $32\ m/s^2$ .

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I believe it is either A or B

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1. Classify What type of heat transfer occurs

valentina_108 [34]

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A superball and a clay ball are dropped from a height of 10cm above a tabletop. They have the same mass 0.05kg and the same size

Olenka [21]

Answer:4.08 N

Explanation:

Given data

superball dropped from a height of 10 cm

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time of contact $\left ( t\right )$ =34.3 $\times 10^{-3}$ s

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$F_{average}\times t$ = $m\left ( v-(-v)\right )$

and velocity at the bottom is given by

v= $\sqrt{2gh}$

$F_{average}\times 34.3\times 10^{-3}$ = $0.05\left ( 1.4-(-1.4)\right )$

$F_{average}$ =4.081N

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3 years ago