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Oksana_A [137]
3 years ago
8

Where is the magnetic field of a horseshoe magnet the strongest? pls hellp omg

Physics
2 answers:
Nuetrik [128]3 years ago
7 0
The answer is slightly left and slightly right of the curved end of the horseshoe.
Readme [11.4K]3 years ago
7 0
It is in north and south regon
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At what speed is a particle's kinetic energy twice its rest energy?
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A pitcher throws a 145 g baseball at a velocity of 30.00 m/s. How much kinetic energy does the ball have?
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Final Answer:

65.25 J is the kinetic energy that the ball has.

Explanation:

M = 145g

(Reminder: kg must be used in this formula, thus we need to convert 145g to kg)

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(cross out g, then multiply 145 to 1kg)

M = 145kg/1000 = 0.145kg

M = 0.145 kg

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KE = 1/2(0.145kg)(30.00m/s)^2

(Square first the velocity)

KE = 1/2(0.145kg)(900.00m^2/s^2)

KE = 1/2(130.5 kg*m^2/s^2)

KE = 65.25 kg*m^2/s^2

(Reminder: 1 kg*m^2/s^2 = 1 J)

KE = 65.25 J

Final Answer:

65.25 J is the kinetic energy that the ball has.

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