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luda_lava [24]
3 years ago
12

What does an Electric Motor do?

Physics
2 answers:
vaieri [72.5K]3 years ago
7 0
Hello there.

What does an Electric Motor do?

Answer: Converts electrical energy into mechanical energy.
Bond [772]3 years ago
6 0
It Converts electrical energy into mechanical energy.

Hope this helps!
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A boat travels west at 20km/h. The journey lasts 3hours. How far has the boat travelled? *
fomenos

Answer:

B)60km[W]

Explanation:

The boat travels 20km/h. So every hour the boat goes 20 miles. So if one hour equals 20km. Then 3 hours will be 3*20km which equals 60km. The boat is also going west. So you should consider putting that in your answer as well. So the answer would be B)60km[W].

Hope that helps!

3 0
3 years ago
Read 2 more answers
Write a hypothesis for Part II of the lab, which is about the relationship described by F = ma. In the lab, you will use a toy c
Tanzania [10]
If you increase the mass m of the car, the force F will increase, while acceleration a is kept constant. Because F and m are directly proportional.
If you increase the acceleration a of the car, the force F will increase, while mass m is kept constant. Because F and a are directly proportional.

How can Newton's laws be verified experimentally; is by setting this experiment, and changing one variable while keeping the other constant, then observe the change in F.

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5 0
3 years ago
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A chair of weight 80.0 N lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of F =
Kaylis [27]

The chair does not move along the vertical direction: this means that the net force on the vertical direction is zero.

There are three forces acting along the vertical direction:

- The weight, acting downward: W=mg=80.0 N

- The component of the force F perpendicular to the floor, acting downward: F_y = F sin 43.0^{\circ}=(44.0 N)(sin 43.0^{\circ})=30.0 N

- The normal force N, acting upwards.

Since the net force must be zero, we have:

W+F_y-N=0

From which we can find the value of N:

N=W+F_y=80.0 N+30.0 N=110.0 N

3 0
4 years ago
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A rope is pulling a sled is sloped at 25 degrees upward at the point of contact. The tension in the rope is 40.0N. What is the h
pshichka [43]
T = 40.0 N

angle = 25°

Trigonometric ratios:

sin(25°) = vertical component of the force / force

cos(25°) = horizontal component of the force / force

tan (25°) = vertical compoent of the force / horizontal component of the force.

From cos(25°) you can find the horizontal component of the force:

horizontal component of the force = force * cos(25°)

The force is the tension, 40.0 N.

horizontal component of the force = 40.0 N * cos (25°) = 36.25 N

Answer: 36.25 N
7 0
4 years ago
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