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Physics

Jaylin Bean

What is the kinetic energy of a 3-kg ball that is rolling at 2 meters per second?

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Physics

Simeon

Two spheres are 1.02 km apart. one of the spheres has a mass of 57.0 kg, and the force of attraction between the spheres is 1.79 x 10-14 n. calculate the mass of the other sphere.

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Physics

Rosemary

What is the effect on Earth's atmosphere of a strong solar flare?

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Physics

Roberto Hines

Jenna constantly experiences feelings of hopelessness and worthlessness. jenna's doctor, jacob, advises her to start taking antidepressant drugs that contain serotonin and dopamine. according to dr. jacob's diagnosis, jenna's depression is a result of the imbalance and improper functioning of the neurotransmitters in her brain. in the context of the theoretical approaches to psychological disorders, this diagnosis conforms to the

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Physics

Newman

If an object moves in the same direction and at a constant speed for 4 hours, which of the following is a true statement and an accurate graph of the object's motion?

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Physics

Armando Sweeney

If 50% of a radioactive element remains after 4000years what is the half life

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Physics

Guest

Calculate the accleration of a 25-Kg object that moved with force of 300 N

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Physics

Simeon Weiss

Suppose a biologist designed an experiment to study the effect of water pollution on the reproductive rate of salmon. what is the dependent variable in this experimeNt

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Physics

Annalise Beard

Which of these best explains why people on Earth cannot see the entire shape of the Milky Way

A Earth is a part of this galaxy.

B Many more stars exist outside the galaxy.

C The stars in the center of the galaxy are extremely small.

D The center of the galaxy consists of a dense cluster of stars.

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Physics

Ignacio

4.6 billion years ago, the Earth is created from what

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Physics

Jaden

A baseball is hit almost straight up into the air with a speed of 21 m/s. how much time does it take for the package to reach the ground?

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Physics

Mohamed Carey

Can an object be accelerated without speeding up or slowing down explain by examples

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Physics

Taniyah

Kenny klutz drops his physics book off his aunt's high-rise balcony. it hits the ground below 1.5 s later?

a. with what speed does it hit?

b. how high is the balcony? ignore air drag.

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Physics

Darian

Which of these holds a galaxy together?

A. disk

B. gravity

C. open clusters

D. globular clusters

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Physics

Tripod

Which zone receives the most sunlight.

A. Profundal

B. Aquifer

C. Benthic

D. Littoral

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