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Ariana Stark
Physics
An astronaunt in a space capsule orbiting the earth experience weightlessness. why?
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Mike Andersen
Physics
In a region where there is a uniform electric field that is upward and has magnitude 3.80x104 N/C a small object is projected upward with an initial speed of 2.32 m/s The object travels upward a distance of 5.98 cm in 0 200 s. What is the object's charge-to-mass ratio q/m (magnitude and sign) ? Assume g 9.80 m/s and ignore air resistance E3? C/kg q/m
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Savanah
Physics
Giant cave systems have formed through the reaction of acids with the that make up limestone.
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Elaina Harper
Physics
If all matter can exhibhit wave like properties, why isnt the wave like nature of your car obvious when you drive it through an open garage door
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Elliot Cross
Physics
A boat is cruising in a straight line at a constant speed of 2.6 m/s when it is shifted into neutral. after coasting 11.0 m the engine is engaged again, and the boat resumes cruising at the reduced speed of 1.6 m/s. assume constant acceleration while coasting.
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Allison Deleon
Physics
100 drops of oil fell from the burette. The first and final reading we're 28.6 cm cubed and 31.1 cm cubed. What is the average volume of the oil.
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Isiah Meadows
Physics
A kitten pushes a ball of yarn rolling toward it at 1.00 cm/s with its nose, displacing the ball of yarn 17.5 cm in the opposite direction in 2.00 s. What is the acceleration of the ball of yarn?
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Alonzo Roth
Physics
Two cellists, one seated directly behind the other in an orchestra, play the same 220-Hz note for the conductor who is directly in front of them. What is the smallest non-zero separation that produces constructive interference? Take the speed of sound to be 343 m/s.
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Violet Bentley
Physics
A student is asked to design a cart that will have the smallest force of impact when it collides with another object. Which of these would be the best design
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Landen Mathews
Physics
A lion running at v = 11 m/s attacks a stationary impala lying directly ahead. The impala spies the lion when it is 11 m away. One-half second later the impala springs directly away with an acceleration of 8 m/s2. At what time after the impala catches sight of the lion does the lion catch the impala?
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Sofia Velasquez
Physics
A centrifuge in a forensics laboratory rotates at an angular speed of 3,750 rev/min. When switched off, it rotates 52.0 times before coming to rest. Find the constant angular acceleration of the centrifuge (in rad/s2). Consider the direction of the initial angular velocity to be the positive direction, and include the appropriate sign in your result.
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Charlotte Cooke
Physics
What does light do when it passes through a window
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Jadyn Park
Physics
You have two pieces of wire that allow electrons to pass through them when they are connected to each other. if you insert a metal cable between the wires, electrons still flow easily the metal cable is?
A. a circuit
B. an insulator
C. a fuse
D. a conductor
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Hillary Turner
Physics
If the speed of light in a vacuum is 1.2 times that of the speed of light in a
given material, what is the index of refraction for that material?
Write your answer as a decimal.
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Sonny
Physics
Which of the following is an example of electrical energy being converted to chemical energy?
A. A storage battery is charged using an electric current.
B. An electric furnace begins to emit heat to warm a house.
C. The wheels on a machine begin to turn and move a conveyer belt.
D. A loudspeaker, which is plugged in to the wall, begins to project sound.
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