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Phoebe Townsend
Physics
A pitcher threw a baseball straight up at 35.8 meters per second. what was the balls velocity after 2.50?
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Jordyn Ewing
Physics
9. A weather satellite is launched from the ground and placed in orbit six times farther away from the earth's centre. The gravitational field experienced by the satellite in orbit is the field that it experienced on the ground?
a Six times
b. One sixth of
c. Thirty-six times
d. One thirty-sixth of
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Sanai Davies
Physics
A throttle position sensor waveform is going to be observed. At what setting should the volts per division be set to see the entire waveform from 0 volts to 5 volts using a DSO with 8 voltage and 10 time divisions?
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Kaylynn
Physics
What is the name of the british scientist credited with discovering cathode rays?
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Felipe Garza
Physics
What is the eardrum's purpose?
to transmit sound entering the outer ear to the bones of the middle ear
to protect the middle and inner ear by muffling outside sound
to strike the anvil, thereby moving the stirrup back and forth
to send electrical impulses to the brain
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Gates
Physics
Jim is rearranging his apartment and needs to move his entertainment center. If the gravity exerts 15 N and there is 10 N of friction, how much force will Jim need to exert to move it?
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Guest
Physics
Is it possible for an object's weight to change while its mass remains constant? Explain
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Girl
Physics
We had a homework problem in which the Arrhenius equation was applied to the blinking of fireflies. Several other natural phenomena also obey that equation, including the temperature dependent chirping of crickets. A particular species, the snowy tree cricket, has been widely studied. These crickets chirp at a rate of 178 times per minute at 25.0°C, and the activation energy for the chirping process is 53.9 kJ/mol. What is the temperature if the crickets chirp at a rate of 126 times per minute?
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Gabrielle Weber
Physics
Solve for y
11=y/3+7
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Laurel Knapp
Physics
The amount of gas can affect the pressure of the gas. true or false
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Jonah Bryant
Physics
If you where to wear a back dress what colors would it absorb
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Kaleb
Physics
How many people in the world think that the earth is flat?
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Abigail
Physics
Coulomb's law states that the force F of attraction between two oppositely charged particles varies jointly as the magnitude of their electrical charges q1 and q2 and inversely as the square of the distance d between the particles. Find the effect on F of doubling q1 and q2 and halving the distance between them.
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Bucky
Physics
Water has a heat capacity of 4,184 J/kg*C. You have 2kg of water at a temperature of 98C. You want to raise the temperature to 100C. How much energy is needed to do this?
4,184J
16,736J
12,334J
9,445J
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Hobbs
Physics
Put these in order from least to greatest universe, Earth, Milky Way galaxy, solar system
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