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Katyanochek1 [597]
3 years ago
10

What is the momentum of a 110kg fullback running at 860 m/s? *

Physics
1 answer:
Natalka [10]3 years ago
8 0
M/s is 860 your anser is 47miles
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When you push on an object such as a wrench, a steel pry bar, or even the outer edge of a door, you produce a torque equal to th
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The small ball of mass m = 0.5 kg is attached to point A via string and is moving at constant speed in a horizontal circle of ra
babymother [125]

Answer:

d = 2.45 meters

Explanation:

Mass of the ball, m = 0.5 kg

Radius of the circle, r = 0.16 m

The angular speed of the ball around the circle is, \omega=2\ rad/s

The attached figure shows the whole scenario. Let F_t is the force acting on the ball in tangential direction. The forces will balanced each other at equilibrium.

In horizontal direction,

T\ sin\theta=F_t=mr\omega^2................(1)

In vertical direction,

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From equation (1) and (2) :

tan\theta=\dfrac{r\omega^2}{g}

Also,

tan\theta=\dfrac{r}{d}

d=\dfrac{g}{\omega^2}d=\dfrac{9.8}{2^2}

d = 2.45 meters

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I am 99999.999999999% sure that it is his second law of motion. 

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A squirrel runs at a speed of 9.9 m, with 25 J of kinetic energy. What is the squirrel’s mass?
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The mass of the squirrel is 0.51kg

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