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Alika [10]
3 years ago
10

A 1000kg ar accelerates from rest to 25.0m/s in 4.20

Physics
1 answer:
bezimeni [28]3 years ago
7 0

Answer:

74.4 kilowatts or 99.8 horsepower

Explanation:

The explanation is in the attachment.

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A 20 kg box has 1000 joules of potential energy on a shelf. How high is the shelf?
navik [9.2K]
Formula: PE = mgh
m = 20 kg, g = 9.8 m/s^2 h= ?
1000 = 20 * 9.8 * h
1000 = 196h
h = 5.10204082
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5 0
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An alternating current is supplied to an electronic component with a rating that the voltage across it can never, even for an in
Vsevolod [243]

Answer:

A) V_{rms}=8\sqrt{2} V

Explanation:

Maximum voltage =V_{max}=16 V

Maximum voltage and rms voltage are related to each other by

V_{max}=V_{rms} \times \sqrt{2} \\V_{rms}=\frac{V_{max}}{ \sqrt{2}}\\V_{rms}=\frac{16}{\sqrt{2}} \\V_{rms}=8\sqrt{2} V

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Can someone please help, ty!
lyudmila [28]

Answer:hypothesis: the plant died of lack  of light,moisture,or water

Explanation:

to test my hypothesis i put a plant in a room at room temp and repeat how i grew it,and observe what went wrong. hope this helps=)

5 0
4 years ago
Understanding the benefits of an activity can __________.
Bogdan [553]

Answer:A.

Increase your motivation to continue doing it

Explanation:

benefits help you

8 0
3 years ago
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The part of an atom that is mostly empty space is the
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<h3><u>Answer;</u></h3>

Electron cloud

<h3><u>Explanation;</u></h3>
  • <em><u>An atom is the smallest particle of an element that can take part in a chemical reaction. Atom is made up of two parts ; that is the nucleus and the electron cloud. The nucleus contain subatomic particles; protons and neutrons, while the electron cloud contains the electrons.</u></em>
  • <em><u>The electron cloud is the largest part of the atom and is mostly an empty space. Most of an atom is a cloud of electrons surrounding a space called the nucleus with tiny protons and neutrons.</u></em>
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