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uysha [10]
2 years ago
11

What quantities belong in cells X and Y?

Physics
1 answer:
satela [25.4K]2 years ago
6 0

Answer:

X: period

Y: tangential speed

Explanation:

100% on quiz your welcome(:

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Which type of rock is made of tiny bits of animal shells? A. gabbro B. coquina C. clastic sandstone D. limestone
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Hello,



The answer is <span>C. clastic sandstone


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The universal law of gravity states that all objects attracts all other objects.
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What are two examples of goods and two examples of services
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8 0
3 years ago
A 45 kg bear slides, from rest, 11 m down a lodgepole pine tree, moving with a speed of 5.8 m/s just before hitting the ground.
Viefleur [7K]

Answer:

Explanation:

a )

change  in the gravitational potential energy of the bear-Earth system during the slide  = mgh

= 45 x 9.8 x 11

= 4851 J

b )

kinetic energy of bear just before hitting the ground

= 1/2 m v²

= .5 x 45 x 5.8²

= 756.9 J

c ) If  the average frictional force that acts on the sliding bear be F

negative work done by friction

= F x 11 J

then ,

4851 J -  F x 11 =  756.9 J

F x 11 = 4851 J -   756.9 J

= 4094.1 J

F = 4094.1 / 11

= 372.2 N  

4 0
3 years ago
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