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3 years ago

Please help ASAP! Will give brainliest! :)

Physics

2 answers:

77julia77 [94]3 years ago

5 0

Answer:

composition :))

Explanation:

jok3333 [9.3K]3 years ago

3 0

Answer:

Both C and D are true, but it mainly depends on answer C, the composition of the star.

Explanation:

Hope This Helps!

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Does an object in rest have potential energy

kenny6666 [7]

Yes, of course! by it's definition the potential energy is an energy that particle have in order to obtain kinetic energy. Or simply an energy to make some movement.

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4 years ago

11. What is the power output of a student who completes 86 J of work in 4 seconds?

Vika [28.1K]

Answer:

P=21.5Watts

Explanation:

Use P=w/t

So, P=86j/4s = 21.5w

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3 years ago

a block of mass m slides along a frictionless track with speed vm. It collides with a stationary block of mass M. Find an expres

shusha [124]

Answer:

Part a) When collision is perfectly inelastic

$v_m = \frac{m + M}{m} \sqrt{5Rg}$

Part b) When collision is perfectly elastic

$v_m = \frac{m + M}{2m}\sqrt{5Rg}$

Explanation:

Part a)

As we know that collision is perfectly inelastic

so here we will have

$mv_m = (m + M)v$

so we have

$v = \frac{mv_m}{m + M}$

now we know that in order to complete the circle we will have

$v = \sqrt{5Rg}$

$\frac{mv_m}{m + M} = \sqrt{5Rg}$

now we have

$v_m = \frac{m + M}{m} \sqrt{5Rg}$

Part b)

Now we know that collision is perfectly elastic

so we will have

$v = \frac{2mv_m}{m + M}$

now we have

$\sqrt{5Rg} = \frac{2mv_m}{m + M}$

$v_m = \frac{m + M}{2m}\sqrt{5Rg}$

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4 years ago

How much protein would be consumed with a 3-ounce serving of

dalvyx [7]

Answer:

15kg

(i actually did this)

Explanation:

k12

hope this helped!

i hope you ace it!

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3 years ago

An electric immersion heater is put at the bottom of a large tank of water. The water next to the heater becomes warm

djyliett [7]

Answer:

when the water is heated with immersion heater, the water becomes less dense due to which the warm water rises up and the cooler water fills it's space.

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3 years ago