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Physics

Luciana Moss

If a car is traveling at a velocity of + 10m/s suddenly turns around and continues at the same speed, what is its new velocity?

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Physics

Quincy Mcdaniel

When demand for electric power is high, power company sometimes reduced the voltage, thereby producing a "brown-out." What is being saved?

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Physics

Shaylee Peterson

Secondary evidence is the basis for drawing scientific conclusions is this true ir false

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Physics

Kenzie Christian

A stone tumbles into a mine shaft and strikes bottom after falling 4.2 seconds. How deep is the mine shaft?

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Physics

Lukas Bray

Walking across a carpet is an example of charge being transferred by

a. contact.

b. induction.

c. static electricity.

d. friction.

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Physics

Dale

Scientist have measured that the vibrations of an earthquake travel faster through solid rocks in the Earth and slower in the liquid magma deep in the Earth. This data supports the idea that A. vibrations move through different materials at different speeds. B. vibrations travel at the same speed in all materials. C. magma causes more earthquakes to happen than solid rock. D. solid rock can stop an earthquake from doing damage to a city.

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Physics

Paige Hurst

What is the voltage in a circuit with a resistance of 12 ohms and a current of 20 amp?

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Physics

Maritza Russell

Which of the following is a reason that a fixed pully makes work easier

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Physics

Ashly

In dim light

the iris dilates the pupil

the pupil dilates the iris

cones will transform light into electrical impulses

the eye will be unable to see

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Physics

Zain Farrell

What force would be required to accelerate a 1,100 kg car to 0.5m/s2

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Physics

Vicente Pacheco

The critical angle for a beam of light passing from water into air is 48.8°. this means that all light rays with an angle of incidence in the water that is greater than 48.8° will be

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Physics

Guest

A beverage can is thrown upward and then falls back down to the floor. As usual, a y axis extends upward (positive direction). Which of the following best describes the acceleration of the can during its free flight?

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Physics

Claudia Estes

Which physical parameter more than any other most probably controlled the early evolution of the planetary system and dictated the characteristics of the planets that eventually formed?

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Physics

Emilia Henson

Planet happy is about 250,000 miles from one of its moons. If you travel at a speed of 6000miles per hour, how many weeks will it take you to get there?

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Physics

Cordell Curtis

A certain radioactive substance has a half life of one hour. if you start with 1g of the material at noon how much will be left at 3:00 PM?

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