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Nat2105 [25]
4 years ago
15

Four soccer players are running down the field at the same speed. Player 1 weighs 145 lbs and is running toward the north goal,

player 2 weighs 175 lbs and is running toward the south goal, player 3 weighs 155 lbs and is running toward the south goal, player 4 weighs 185 lbs and is running toward the north goal. Which player has the most momentum?
Physics
1 answer:
HACTEHA [7]4 years ago
7 0

Answer:

Player 4

Explanation:

Momentum is basically how much motion an object has or can also be defined as "mass in motion." It is computed by getting the product of velocity and mass.

P = mv

where:

P is momentum

m is mass

v is velocity

So if you interpret this, the more velocity you have, the more momentum.

Likewise, the more mass you have, the more momentum you have.

As the momentum increases, the harder it would be for the object to stop.

Since the velocities of the players are the same, then all you need to determine is who is the heaviest?

Player 4 weighs 185 lbs, so he has the most momentum.

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(C)

Explanation:

The circle has a radius r = 0.5 m, which means that its circumference C is

C = 2\pi r = 2\pi(0.5\:\text{m}) = 3.14\:\text{m}

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What electrical force dies a Uranium nucleus exert on one of its inner electrons, located at a distance of 175 picometers (= 1.7
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Answer:

correct option is d) 7.0 x 10^-7 N

Explanation:

given data

distance = 175 picometers = 1.75 × 10^{-10}  m

to find out

electrical force

solution

we know atomic no of uranium is 92

and charge on electron is = 1.6 × 10^{-19} C

and electrical force is express as

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put here value we get

electrical force = 9*10^9 \frac{92*(1.6*10^{-19})^2}{(1.75*10^{-10})^2}

electrical force =  6.921 × 10^{-7} N

so correct option is d) 7.0 x 10^-7 N

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