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Physics

Quintin Powell

What is gibbs paradox?

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Physics

Guest

If there were no air resistance, a penny dropped from the top of a skyscraper would reach the ground 9.3 s later. To the nearest integer, what would the penny's speed in m/s be right as it reaches the ground if it was dropped from rest?

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Physics

Amy Wheeler

An ice cube floats in a glass of water. as the ice melts, what happens to the water level?

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Physics

Tripp Howe

At t = 15.0 seconds an object with mass 6 kg was observed to have a velocity of ‹ 9, 25, - 9 › m/s. At t = 15.1 seconds its velocity was ‹ 18, 17, 21 › m/s. What was the average (vector) net force acting on the object?

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Physics

Sharon

If the pressure acting on a given sample of an ideal gas at constant temperature is tripled, what happens to the volume of the gas?

a) The volume is reduced to one-third of its original value.

b) The volume is reduced to one-ninth of its original value.

c) The volume remains constant.

d) The volume is increased by a factor of three times its original value.

e) The volume is increased by a factor of nine times its original value.

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Physics

Zachariah Palmer

When trying to determine the maximum magnetic field created by a 15-turn circular coil, you measure the maximum current to be 0.6±0.05 A, and the radius of your coil to be 0.04±0.004 m. If these are the only uncertainties, what is the uncertainty in the maximum magnetic field due to just the uncertainty in the current

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Physics

Big Nasty

What is the velocity (m/s) after 5 seconds of fall

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Physics

Hampton

What local constellation signifies the start of rainy season in the Philippines?

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Physics

Freddy

Name the main resistive force that opposes the driving force when a vehicle is moving.

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Physics

Brennen

An athlete practicing for a track meet ran 400 meter in 50 seconds. What was his average speed?

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Physics

Darnell Murphy

How do you make a sound wave's pitch lower?

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Physics

Guest

A car slams on its brakes, coming to a complete stop in 4.0 s. The car was traveling south at 60.0 mph. Calculate the acceleration.

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Physics

Jessica

What is the purpose of a control sample that is known to be from bighead carp in edna surveillance? a. to produce multiple banding patterns b. to amplify the dna in small samples c. to see if samples contain the target dna d. to identify each species of carp found

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Physics

Rhianna Trevino

A cyclist is traveling at a constant velocity of 5.00 m/s.

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Physics

Fiesta

When did our Solar System begin to form? When did our Solar System begin to form? 5 million years ago 5000 years ago 5 trillion years ago 5 billion years ago

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