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pentagon [3]
3 years ago
12

Which two types of energy does a book have as it falls to the floor

Physics
2 answers:
Murrr4er [49]3 years ago
8 0

Answer:

kinetic and potential energy

Explanation:

natita [175]3 years ago
3 0
☺️☺️☺️☺️zksoskksskksksksksksksksksks
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A sprinter is running the 100 meter dash at a speed of 24 m/s. How long does it the sprinter to finish?
DerKrebs [107]

Answer:

4.1666666 seconds

Explanation:

100 divided by 24 will give you about 4.1666666 seconds or 4 1/6 seconds. Hope it helps!

6 0
3 years ago
If a bowling ball of mass 7.0 kg has a potential energy of 1100 Joules, how high above the ground is the bowling ball?
kirza4 [7]

Answer:

16.03m(2dp)

Explanation:

Ep=m x g x h

1100=7.0x 9.8( gravitational field strength) x h

Height= 1100/7.0 x 9.8

          =16.03498542

          = 16.03m (2dp)

6 0
3 years ago
Roman citizenship guaranteed Paul:
deff fn [24]
<span>protection from injustices</span>
3 0
3 years ago
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Which of the following changes would cause the fusion rate in the Sun’s core to increase? Check all that apply. View Available H
fredd [130]

Answer:

1. An increase in the core temperature

2. A decrease in the core radius.

Explanation:

The sun is a Main Sequence star. A Main Sequence star is powered by fusing hydrogen into Helium within its core.

For this fusion to take place, a temperature of at least 10 million Kelvin is required, beyond this point, the fusion rate is directly related to the core temperature. If the temperature increases, the fusion rate will greatly increase.

Something similar happens if the core reduces its radius. This can happen at the end of the star's lifetime, shortly before it becomes a red giant. Once the hydrogen is depleted, the core will start to shrink because the force of gravity, and as it gets smaller, gets more compressed, and its temperature increases. The outer layers of remaining Hydrogen that were outside the core now begin to heat up, and as the core continues to shrink, the star gets hot enough to begin the fusion process again, and the fusion rate can even be higher than it was during the first phase of the star, as the star becomes a Red Giant.

7 0
3 years ago
Kelly pushes a shopping cart with a force of 42 N. The mass of the shopping cart is 24 kg. Calculate the acceleration of the sho
damaskus [11]

Answer:just use a calculator

Explanation:

3 0
3 years ago
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