2 years ago

Answer all these questions for a TON OF POINTS

Physics

2 answers:

Sladkaya [172]2 years ago

7 0

Answer:

1). E

2). A

3). 4N

4). D

Explanation:

IgorC [24]2 years ago

3 0

1). E
2). A
3). 4N
4). D

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A balloon is expanded to the same volume as that of a human head. Do an order-of-magnitude estimate of the volume of this balloo

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Answer:

Volume of head = 1000 cm^3

Explanation:

The head of a normal person can be assumed as a sphere with radius 10 cm.

Volume of sphere $=\frac{4}{3} \pi r^3$ , where r is the radius.

We have approximate radius = 10 cm.

Approximate volume of head $=\frac{4}{3}* \pi *10^3=4189 cm^3$

In the given options the closest value to the approximate volume is 1000 cm^3.

So, volume of head = 1000 cm^3

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The momentum difference of a 3 kg mass with initial velocity of 8 m/s and a final velocity of 16 m/s

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Answer:

Explanation:

because if 3kg is 8m/s then 16 divided by 2 is 8 means add 3 to 3 and get the final answer

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Please provide the steps

elena-s [515]

Answer:

wA - T =mA(a)

second option

Explanation:

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