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Alexzander Lamb
Physics
Which of the following is least likely to form bonds?
hellum
hydrogen
nitrogen
oxygen
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Wendy Rivers
Physics
How is the direction of an electric field defined?
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Layton Ford
Physics
If the mass of a person is 600kg on Earth what is the persons mass on the moon
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Keaton Flowers
Physics
The mass density of an object is 16.3 g/cc, and its volume is determined to be 16.7 cc. what is the mass of the object?
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Shasta
Physics
Curling is a game similar to lawn bowling except it is played on ice and instead of rolling balls on the lawn, stones are slid along ice. A curler slides a stone across a sheet of ice with an initial speed vi in the positive x direction. The coefficient of kinetic friction between the stone and the curling lane is? k. Express your answers in terms of vi,? k, and g only. (Assume the direction of the stone's motion to be the positive direction. Do not substitute numerical values; use variables only. Indicate the direction with the sign of your answer.)
(a) What is the acceleration of the stone as it slides down the lane?
(b) What distance does the curling stone travel?
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Jordan Stanley
Physics
Electric forces can be either repulsive or attractive, whereas gravitational force is always:
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Ezekiel
Physics
Which describes why the magma moves in the direction of the arrows?
A The magma is cooled and becomes more dense by the core moving it toward the crust.
B The magma is heated and becomes more dense by the core moving it toward the crust.
C The magma is cooled and becomes less dense by the core moving it toward the crust.
D The magma is heated and becomes less dense by the core moving it toward the crust.
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Eaton
Physics
Determine the difference in the speed of sound in hydrogen at 0 degrees Celsius and in air at 30 degrees Celsius. Also indicate if is it faster or slower
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Gilberto Boyle
Physics
A small car and a large truck are driving down a highway, which statement would support the premise that the truck has more momentum?
A)
A large truck has a much larger mass.
B)
A car has a smaller engine than a truck.
C)
A small car accelerate faster than a truck.
D)
A large truck can travel at close to the speed of the car
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Cade Caldwell
Physics
Is there a dark side of the moon? (note: this question can be effectively answered either yes or no, so it is important to explain your reasoning?
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Blair
Physics
Jennifer, who has a mass of 40.0 kg, is riding at 25.0 m/s in her red sports car when she must suddenly slam on the brakes to avoid hitting a deer crossing the road. She strikes the seat belt, that brings her body to a stop in 0.400 s. What average force does the seat belt exert on her?
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Cassandra Harmon
Physics
Protons are what charged and electrons are what charged
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Edward Mullen
Physics
Which of the following solid fuels has the highest heating value?
A. Wood
B. Lignite
C. Bituminous coal
D. Coke
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Meadow Freeman
Physics
what's the equation that links change in gradational potential energy store, mass, gravitational field strength, height
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Keely Koch
Physics
Which of the following is an example of an archery contestant showing good
precision but poor accuracy?
O
A. Hitting a bulls-eye once and then missing a second time
O
B. Hitting a bulls-eye every time
O
C. Missing the bulls-eye but hitting the same spot every time
O
D. Hitting a target randomly
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