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Merle
PhysicsPhysics
Windmill energy transformation
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Kiley
PhysicsPhysics
The flywheel of a steam engine runs with a constant angular velocity of 150 rev/min. When steam is shut off, the friction of the bearings and of the air stops the wheel in 2.2 h. (a) What is the constant angular acceleration, in revolutions per minute-squared, of the wheel during the slowdown? (b) How many revolutions does the wheel make before stopping? (c) At the instant the flywheel is turning at 75 rev/min, what is the tangential component of the linear acceleration of a flywheel particle that is 50 cm from the axis of rotation? (d) What is the magnitude of the net linear acceleration of the particle in (c) ?
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America Coleman
PhysicsPhysics
Two particles, one with charge - 3.77 μC - 3.77 μC and one with charge 4.39 μC, 4.39 μC, are 4.34 cm 4.34 cm apart. What is the magnitude of the force that one particle exerts on the other?
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Chasity Marquez
PhysicsPhysics
What is the electrostatic constant?
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Carolina Brewer
PhysicsPhysics
Solve problem. Be sure to show your work and give a final answer with units rounded to the correct number of significant figures.

1) A wagon with a weight of 136 N is moved 19 m from its original location. How much work was done?

2) A simple machine requires 8.3 N of force to obtain an output force of 32 N. What is the mechanical advantage of the machine?

3) If an electrical appliance has 150.0 V applied causing a current of 2.34 amps, what is the resistance of the appliance?

4) What is the electrical power generated from a voltage of 12.3 V if the current is 9.42 amps?
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Makhi Perry
PhysicsPhysics
If the truck has a mass of 2000kg, what is its momentum v=35m/s
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Carley
PhysicsPhysics
In an inelastic collision involving an isolated system, the final total momentum isA) more than the initial momentum. B) exactly the same as the initial momentum. C) less than the initial momentum.
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Serenity Mooney
PhysicsPhysics
Why is fluorine special in terms of electronegativity?
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Maia Everett
PhysicsPhysics
What is the sum of 1370 cm, 1575 mm, and 8.63 m in meters
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Deanna Holland
PhysicsPhysics
What happens when you split a hydrogen atom?
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Keira Vasquez
PhysicsPhysics
In an electromagnetic wave in free space, the electric and magnetic fields are A. parallel to one another and perpendicular to the direction of wave propagation. B. parallel to one another and parallel to the direction of wave propagation. C. perpendicular to one another and perpendicular to the direction of wave propagation. D. perpendicular to one another and parallel to the direction of wave propagation.
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Cailyn Mckenzie
PhysicsPhysics
How do you communicate to a deaf person.
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Darian Villarreal
PhysicsPhysics
What do you think your weight would be if you were floating in space a long way from any planets?

Explain your answer.
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Audrina Hubbard
PhysicsPhysics
What is an example of a safe laboratory procedure
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Jamison Lyons
PhysicsPhysics
A ring, cylinder, solid sphere, and hollow sphere are all released from rest from the same height on an inclined surface, at the same time. All four objects have uniform density, have the same mass, same radius, and roll without slipping. 1. Which one has the largest total kinetic energy at the bottom? a) ringb) cylinderc) solid sphered) hollow spheree) they all reach the bottom with the same total kinetic energy2. Which one reaches the bottom last? a) ringb) cylinderc) hollow sphered) solid spheree) they all reach the bottom at the same time
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