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telo118 [61]
3 years ago
12

Imagine tying a string to a ball and twirling it around you. How is this similar to the moon orbiting Earth? In this example, wh

at is providing the constantly changing, inward force?
Physics
1 answer:
leonid [27]3 years ago
5 0
The string kind of acts like gravity 
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olganol [36]

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direct current

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What is the kinetic energy in joules of a 0.05. kg bullet traveling 310 m/s
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A ball of mass m, attached to the end of a horizontal cord, is rotated in a circle of radius r on a frictionless horizontal surf
kirza4 [7]

Answer:v=\sqrt{\frac{FL}{m}}

Explanation:

Given

Ball of mass m

maximum Bearable Tension in string is F

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8 0
3 years ago
Puck B has twice the mass of puck A. Starting from rest, both pucks are pulled the same distance across frictionless ice by stri
gogolik [260]

Answer:

(a) 1 : 2

(b) same

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Let the mass of puck A is m and the mass of puck B is 2 m.

initial speed for both the pucks is same as u and the distance is same for both is s.

let the tension is T for same.

The kinetic energy is given by

K = 0.5 mv^2

(a) As the speed is same, so the kinetic energy depends on the mass.

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(b) A the distance s same so the final velocities are also same.

8 0
2 years ago
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