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Vilka [71]
4 years ago
5

Does magnets exert a force. explain​

Physics
1 answer:
Ratling [72]4 years ago
7 0

Answer:

Magnets exert forces and torques on each other due to the rules of electromagnetism. The forces of attraction field of magnets are due to microscopic currents of electrically charged electrons orbiting nuclei and the intrinsic magnetism of fundamental particles (such as electrons) that make up the material. Hope this helps you! :)

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Sedaia [141]
5 the field is to long
7 0
3 years ago
A vertical scale on a spring balance reads from 0 to 250 N. The scale has a length of 15.0 cm from the 0 to 250 N reading. A fis
lesantik [10]

Answer:

Mass of fish=6.252 kg

Explanation:

Force F=0 N to 250 N

Length x=15.0 cm=0.15 m

Frequency f=2.60 Hz

To find

Mass of fish m

Solution

First we need to find spring constant

k=Force/distance\\k=F/x\\k=250/0.15\\k=1666.7 N/m

As we know that the time period is given as

T=2\pi\sqrt{\frac{m}{k} }\\  And\\f_{Frequency} =1/T\\So\\1/f=2\pi\sqrt{\frac{m}{k} }\\1/f^{2}=4\pi^{2}\frac{m}{k}\\   k/f^{2}=4\pi^{2}m\\m=\frac{k}{4\pi^{2}f^{2} } \\m=\frac{1666.7}{4\pi^{2} (2.60)^{2} }\\ m=6.252kg

4 0
3 years ago
a mass of 10kg is placed on a horizontal table with coefficient of friction is 0.5. if the mass is static, determine weight of t
zloy xaker [14]

Answer:

10

Explanation:

5 0
3 years ago
Two weights are hanging as shown in the figure .
Anna [14]
Draw the free body diagram for the mass W2.

In it the only forces that appear are W2 (downward) and the Tension of the cable A (upward), TA

Net force = 0 => W2 = TA

Then TA = 200 N
6 0
4 years ago
Bob weighs 80 pounds. He ran up the steps which rose 14 feet. Fred weighs 110 pounds. He ran up the same steps as Bob. If both b
pav-90 [236]
Bob gained (80lbs x 14ft) = 1120 ft-lbs of energy.

Fred gained (110lbs x 14ft) = 1540 ft-lbs of energy

Since they both took the same amount of time, Fred's power (rate
of doing work) was greater than Bob's power (rate of doing work).
6 0
3 years ago
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