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Kymani Woodard
Physics
On Earth, Yancy hits a golf ball as hard as he can. The golf ball flies 150 meters before hitting the ground. About how far would the golf ball fly if Yancy hit it on the surface of Mercury with exactly the same amount of force and in the same direction? (Ignore the air resistance on both planets.) A. 150 yards B. more than 150 meters C. 150 meters D. less than 150 meters
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Guest
Physics
Which of the following is a concern about globalization
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Casey Chase
Physics
A neutron and a proton combine to form a nucleus. How does the mass of the nucleus compare with the sum of the masses of its individual particles?
A. The nucleus has less mass, because matter is converted into binding energy.
B. The nucleus has more mass, because matter is converted into binding energy.
C. The nucleus has less mass, because binding energy is converted into matter.
D. The nucleus has more mass, because binding energy is converted into matter.
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Guest
Physics
State five effect of heat matter
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Royce Sharp
Physics
What is the difference between a bound orbit and an unbound orbit around the sun?
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Gaige Sullivan
Physics
Explain why a running cheetah has kinetic energy.
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Travis Mckee
Physics
Which factors affect the gravitational force between two objects?
distance and velocity
mass and distance
mass and weight
acceleration and weight
802
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Guest
Physics
DNA can be classified as what type of evidence? Choose all that apply.
-Class Evidence
-Physical circumstantial evidence
-Biological circumstantial evidence
-Direct evidence
-Individual evidence
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Journey Soto
Physics
Dr. Wolski does research on the potential relationship between neurotransmitter deficiencies and mood states. Which psychological specialty does Dr. Wolski's research best represent
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Guest
Physics
Assume that the Styrofoam slab and the fur are both initially neutral, and that the slab charged negatively after it is rubbed with the fur. Describe what happens. Mark all the correct statements among those provided below. Mark all the correct statements among those provided below.
1. Protons move from the fur to the slab.
2. Protons move from the slab to the fur.
3. Electrons move from the fur to the slab.
4. Electrons move from the slab to the fur.
5. The fur becomes negative after rubbing the slab.
6. The fur becomes positive after rubbing the slab.
7. The fur remains neutral after rubbing the slab.
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Rishi Duran
Physics
How do the significant figures in a measurement affect the significant figures in a calculation?
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Brooks Case
Physics
Why might acting happy actually make one happy
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Colton Bright
Physics
The density of balsa wood is about 170 kg/m³. Convert to g/cm³. Why do you think balsa wood, rather than oak or ash, is commonly used for building models?
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Guzman
Physics
A skydiver is falling at 50 m/s when they open their parachute. The parachute slows them at a rate of 4 m/s^2 until they reach terminal velocity of 3 m/s. How long does it take to reach terminal velocity?
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Macie Stephenson
Physics
What causes rainbows?
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