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Williams
PhysicsPhysics
In your own words, explain how energy is involved in physical changes and in chemical change
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Emilia Wong
PhysicsPhysics
What is the magnitude of the momentum of a 0.50 kg ball moving in a straight line at 5.0 m/s?

A. 0.1 kg • m/s

B. 2.5 kg • m/s

C. 6.3 kg • m/s

D. 10 kg • m/s
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Sage Parker
PhysicsPhysics
How do narwhals breathe
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Ariana Stark
PhysicsPhysics
An astronaunt in a space capsule orbiting the earth experience weightlessness. why?
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Mike Andersen
PhysicsPhysics
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
PhysicsPhysics
Giant cave systems have formed through the reaction of acids with the that make up limestone.
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Elaina Harper
PhysicsPhysics
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
PhysicsPhysics
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
PhysicsPhysics
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
PhysicsPhysics
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
PhysicsPhysics
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
PhysicsPhysics
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
PhysicsPhysics
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
PhysicsPhysics
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
PhysicsPhysics
What does light do when it passes through a window
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