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lilavasa [31]
3 years ago
14

13. If you have a 12 kg object, how do you find the weight?

Physics
1 answer:
Leto [7]3 years ago
5 0
The weight is the force of gravity acting on the object. So assuming it’s on earth, 12(9.81) also, F(weight in Newtons)=mass( in kg)acceleration (due to gravity)
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A sled slides down a hill with friction between the sled and hill but negligible alr resistance. Which of the following must be
Andreyy89

Answer:

A) The sum of the kinetic energy and the gravitational potential energy changes by an amount equal to the energy dissipated by friction,

Explanation:

  • The kinetic energy is the energy that the object has and is defied by the work that is needed to accelerate the body.
  • The gravitational potential is a mechanism by which an equal amount of energy is being transferred per unit mass that is needed for the object to move from the specific location.
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ozzi

Answer:

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Explanation:

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Rama09 [41]

Constant acceleration of plane = 3m/s²

a) Speed of the plane after 4s

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b) Flight point will be termed as the point the plane got initial speed, u, 20m/s

Find speed after 8s, v

a = 3m/s²

from,

a = <u>v</u><u> </u><u>-</u><u> </u><u>u</u>

t

3 = <u>v</u><u> </u><u>-</u><u> </u><u>2</u><u>0</u>

8

24 = v - 20

v = 44m/s

After 8s the plane would've 44m/s speed.

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3 years ago
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