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seraphim [82]
3 years ago
14

An object with a mass of 20 kg has a net force of 80 N acting on it. What is the acceleration of the object?

Physics
1 answer:
DENIUS [597]3 years ago
5 0

Answer:

the answer is 4m/ s²

hope this helps love!! <3

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How much conventional current must you run in a solenoid with radius = 0.05 m and length = 0.39 m to produce a magnetic field in
Ugo [173]

Answer:

Explanation:

radius of the solenoid, r = 0.05 m

length of the solenoid, l = 0.39 m

Magnetic field of the solenoid, B = 2 x 10^-5 T

Number of turns, N = 200

The magnetic field of the solenoid is given by

B=\mu _{0}ni

where, i be the current and n be the number of turns per unit length

n = N / l = 200 / 0.39 = 512.8

2\times 10^{-5}=4 \times 3.14\times 10^{-7}\times 512.8\times i

i = 0.031 A

3 0
3 years ago
Please help please help
Inessa [10]

Answer: p= m/v so 90kg/.075m^3 = 1,200

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2700•57.75= 155,925 kg

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Explanation: physics

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3 years ago
Which transformation of energy occurs when a fan is turned on and the blades start to rotate?
Ksju [112]

Answer:

kinetic energy

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A wind turbine transforms the mechanical energy of wind into electrical energy. A turbine takes the kinetic energy of a moving fluid, air in this case, and converts it to a rotary motion. As wind moves past the blades of a wind turbine, it moves or rotates the blades. These blades turn a generator

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3 years ago
According to “The Cyclone,” who invented the Fourth of July?
Vilka [71]
<span>A. Pecos Bill 

</span>According to “The Cyclone,” who invented the Fourth of July is PECOS BILL
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A 60 kg hockey player skating at 20 m/s gets slammed with a force of 950 N. How long does it take him to stop completely?
irakobra [83]

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2.4

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2 years ago
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