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jok3333 [9.3K]
3 years ago
10

Which change would result in a stronger electromagnet?

Physics
2 answers:
Sonbull [250]3 years ago
6 0
I'd say B.) Increasing the voltage of the battery.
Licemer1 [7]3 years ago
5 0
From that particular list of choices, 'B' is the only one that will do that job.
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You are riding a bicycle up a gentle hill. It is fairly easy to increase your potential
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True or false: while riding a bicycle up a gentle hill, it fairly easy to increase your potential energy, but to increase your kinetic energy would ...
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2 years ago
You used the right-hand rule to determine the z component of the angular momentum, but as a check, calculate in terms of positio
KengaRu [80]

Answer:

case x py   L is in the positive z direction

case y px   L the negative z direction

Explanation:

The angular amount is defined by the relation

         L = r x p

the bold are vectors, where r is the position vector and p is the linear amount vector.

The module of this vector can be concentrated by the relation

         L = r p sin θ

the direction of the vector L can be found by the right-hand rule where the thumb points in the direction of the displacement vector, the fingers extended in the direction of the moment p which is the same direction of speed and the palm points in the direction of the angular momentum L

in the case x py

the thumb is in the x direction, the fingers are extended in the direction and the palm is in the positive z direction

In the case y px

the thumb is in the y direction, the fingers are in the x direction, the palm is in the negative z direction

7 0
3 years ago
49. A block is pushed across a horizontal surface with a
nata0808 [166]

Answer:

(a) 37.5 kg

(b) 4

Explanation:

Force, F = 150 N

kinetic friction coefficient = 0.15

(a) acceleration, a = 2.53 m/s^2

According to the newton's second law

Net force = mass x acceleration

F - friction force = m a

150 - 0.15 x m g = m a

150 = m (2.53 + 0.15 x 9.8)

m = 37.5 kg

(b) As the block moves with the constant speed so the applied force becomes the friction force.

F = \mu m g \\\\150 = \mu\times 37.5\\\\\mu = 4

8 0
3 years ago
What causes seasons on Earth?
Bezzdna [24]

Explanation:

A. answer is the correct answer

6 0
3 years ago
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1. A man is running on the straight road with the uniform velocity
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None he is undergoing constant uniform velocity. Acceleration is the rate of change of velocity
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