3 years ago

All matter we encounter in everyday life exists in one of three physical formss True or False.

Physics

1 answer:

gayaneshka [121]3 years ago

6 0

Answer: False, not all matter we encounter in everyday life exists in one of the three physical forms.

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Why do objects in equilibrium have a net force of 0?

lianna [129]

Answer:

Because there is no net force acting o an object in equilibrium.

Explanation:

When object is in equilibrium (either at rest or moving with constant velocity, the net force acting o it is zero.A vector can only have zero magnitude fall of its components are zero this means that all forces acting on the object are balanced.

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3 years ago

A train accelerated from rest to a speed of 60m/s in 200 seconds it continues with the speed reached for 40 seconds before comin

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I don't know to be honest

Explanation:

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In the process of making a rainbow, light enters the water droplet at location 1 and exits at location 3. Which

elena-s [515]

Answer: D, Refraction, Reflection, Refraction.

Explanation: Refraction is a rainbow. See image for info.

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3 years ago

Most of the currents identified have a circular shape. This is because as the air and water move between the equator to the pole

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I believe it is true . Somebody correct me if I’m wrong!

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3 years ago

A mechanic has a wrench where the hand grip is 0.40 m from the axis of the bolt. To apply a torque of 170 N m with this wrench w

Grace [21]

Answer:

4.3 * 10 N

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To calculate torque, we multiply the distance from the pivot by the perpendicular (the part of the force that acts at right angles to the displacement vector) component of the force to the displacement vector from the pivot.

torque = distance from pivot * perpendicular force

170 Nm= 0.4 m * F

F = 425 N = 4.3 * 10 N rounded off to two significant figures

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3 years ago