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Lane Willis
Physics
Imagine a volcano erupting many times over a period of years. With following landforms is most likely to result of volcanic eruptions: A valley, A mountain, or a canyon? Explain.
Science.
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Lucia Knight
Physics
If an object is accelerating, can the net force acting on it be zero?
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Guest
Physics
Water can exist in three states of matter. Imagine examining the changes of state from solid to liquid to gas by adding to ice. What would change or not change?
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Cannon Adkins
Physics
The lightest car in the world was built in London and had a mass of less than 10 kg. it's maximum speed was 25.0 km/h. Suppose the driver of this vehicle applies the brakes while the car is moving at its maximum speed. The car stops after traveling 16.0 m. Calculate the car's acceleration.
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Carolyn Guerrero
Physics
On a merry-go-round, animals at the edge are located 4 times farther from the axis of rotation than the animals near the center. The animals near the center has a rotational speed of 3 RPM and a tangential speed of 2 m/sec.
What is the rotational speed of the animals near the edge?
a 3 RPM
b 12 RPM
c 2 RPM
d 6 RPM
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Diana Waller
Physics
A brick is resting on the surface of a flat board. as one end of the board is slowly raised, what change, if any, is there in the normal force exerted on the brick?
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Braydon Lam
Physics
if the accepted thickness of aluminum foil is 1.5x10^5 is your answer percise, accurate or both. explain your answer
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Armando Contreras
Physics
Two long conducting cylindrical shells are coaxial and have radii of 20 mm and 80 mm. The electric potential of the inner conductor, with respect to the outer conductor, is + 600 V. An electron is released from rest at the surface of the outer conductor. What is the speed of the electron as it reaches the inner conductor? (e = 1.60 * 10-19 C, m el = 9.11 x 10-31 kg, k = 1/4π ε0 = 8.99 * 109 N · m2/C2)
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Aidyn Turner
Physics
A small yacht weighs 14700 N. what is the mass?
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Chico
Physics
Which style of parenting is most likely to produce spoiled immature and self indulgent children who have little self control?
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Howard
Physics
Use the drop down menu to answer the question
What kind of lens is found in both a magnifying glass and a microscope?
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Clelia
Physics
A distant star is traveling directly toward Earth with a speed of 30,100 km/s.
(a) When the wavelengths in this star's spectrum are measured on Earth, are they greater or less than the wavelengths we would find if the star were at rest relative to us and why?
(b) By what fraction are the wavelengths in this star's spectrum shifted?
? new/? =
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Rachel Patton
Physics
What happens to a light wave when it travels from air into glass?
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Byron Woodard
Physics
Relationship between angle of incidence and angle of reflection
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Maverick Raymond
Physics
What did the biologist wear on his first date?
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