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Fiesta28 [93]
3 years ago
5

31. Lily (20 kg) and Mickey (15 kg) are 2 meters apart. What is the gravitational force between

Physics
1 answer:
Sloan [31]3 years ago
7 0

Answer:

10 N

Explanation:

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Someone fires a 0.04 kg bullet at a block of wood that has a mass of 0.5 kg. (The block of wood is sitting on a frictionless sur
lidiya [134]

Answer:

22.22m/s

Explanation:

The momentum before a collision = momentum after collision so...

work out the momentum of the first object (the bullet)

its p = mv

0.04 kg × 300 m/s  = 0.54 kg × v

rearrange this to find v which is 0.04 x 300 = 12

so 12 = 0.54 x v

    12/0.5 = v

    v = 22.22m/s

hope this helps!

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3 years ago
Find out how the position of the Sun would be different at 12:00 midday in December than in June. What path would the sun take f
Ratling [72]

Answer:

Explanation: The Sun is directly overhead at solar noon at the Equator on the equinoxes, at the Tropic of Cancer (latitude 23°26′11.2″ N) on the June solstice and at the Tropic of Capricorn (23°26′11.2″ S) on the December solstice.

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3 years ago
What is the most common form of carbon? How is carbon-14 different?
adelina 88 [10]

Answer:

most common form of carbon is graphite and the other is diamond

7 0
3 years ago
Feeling guilty is normal when experiencing grief TRUE or FALSE
Anna11 [10]

Answer: The given statement is True.

Grief is a response of a person when he/she loses something. It represents intense feeling of sorrow or sadness specially when someone is lost from life.

Feeling guilty is normal when experiencing grief. For instance, guilt ( feeling ashamed) of a son not calling his dad after he is no more.

Thus, given statement is True.


3 0
3 years ago
Read 2 more answers
A 550 N physics student stands on a bathroom scale in an elevator that is supported by a cable. The combined mass of student plu
mario62 [17]

Answer:

(a) The elevator has an acceleration of 2.14 m/s² and direction is downward

(b) The acceleration is a=2.14 m/s²

Explanation:

Let +y be upward direction

For Part (a)

The mass of student (whose weight is 550N) is:

ms=w/g

ms=550/9.8=56.1 kg

Apply ∑Fy=ma

n-m_{s}g=m_{s}a\\

Solve for acceleration a

a=\frac{n-m_{s}g}{m_{s}}\\ a=\frac{430N-550N}{56.1kg} \\a=-2.14m/s^{2}

The elevator has an acceleration of 2.14 m/s² and direction is downward

Part(b)

For the acceleration is the scale reads 670 N

For n=670N

So

a=\frac{n-m_{s}g}{m_{s}}\\ a=\frac{670N-550N}{56.1kg}\\ a=2.14m/s^{2}

3 0
3 years ago
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