3 years ago

Are the small sized gears only force, speed and distance, only speed

1 answer:

3 0

If the gears are of different sizes, they can be used to increase the power of a turning force. The smaller wheel turns more quickly but with less force, while the bigger one turns more slowly with more force. Cars and bicycles use gears to achieve amazing speeds our bodies could never match without help.

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Ángel is riding his bike 15m/h south a) speed b) velocity c) acceleration

mixer [17]

Answer:

Velocity

Explanation:

Speed does not have a direction, Acceleration means that it is speeding up and not at a constant 15m/h, so the answer is B.

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2 years ago

Which part of the central nervous system controls reflexes?

larisa86 [58]

Answer:

spinal cord becuse it does all of the reflexes

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3 years ago

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How fr do you think you would go on a car while sneezing for 2.5 seconds ?

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depends on the speed limit

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In which of these situations is convection most likely the main form of heat transfer? A.Warm air from a heater on the first flo

Kitty [74]

The answer is D.An ice cube melts when a person holds it in his hand
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3 years ago

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Two round concentric metal wires lie on a tabletop, one inside the other. The inner wire has a diameter of 21.0 cm and carries a

Burka [1]

Solution :

a). B at the center :

$=\frac{u\times I}{2R}$

Here, one of the current is in the clockwise direction and therefore, the other current must be in the clockwise direction in order to cancel out the effect of the magnetic field that is produced by the other.

Therefore, the answer is ANTICLOCKWISE or COUNTERCLOCKWISE

b). Also, the sum of the fields must be zero.

Therefore,

$\left(\frac{u\times I_1}{2R_1}\right) + \left(\frac{u\times I_2}{2R_2}\right) = 0$