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Solve the following problems:
Problem I: During SHM, How does the maximum amount of kinetic energy compare to the maximum amount of potential energy?
Problem II: A solid block of metal seems to stretch very little when pulled by hand. Does that make its spring constant very large, or very small? Why?
I need proficient help in the above problems.
An airplane must reach a speed of 189mi/h to take off. If the runway is 472m long, what is the minimum value of acceleration that will allow the airplane to take off successfully.
a steel washer is suspended inside an empty shipping crate from a light string attached to the top of the crate. the
A pool cue strikes a cue ball and exerts a force of 50Newtons fro a time of 10ms. If the cue ball has a mass of 200 g, what will its speed be after this impact
Ball of mass "m" hangs on a string of length L` straight down from a cart of mass M standing on horizontal rails. The cart can move along the rails without friction. While the cart is at rest, the ball is given a horizontal velocity v0, v0
200 mL of water at 20.0 C is placed in the freezer compartment of a refrigerator with a coefficient of performance of 4.00. How much heat energy is exhausted into the room
a 1000 mw power plant is operated for a year. it has a thermal efficiency of 32 and a utilization factor of 0.8. assume
A wooden rod of negligible mass and length 82.2 is pivoted about a horizontal axis through its center. A white rat with mass 0.440 clings to one end of the stick, and the mouse with mass 0.220 clings to the other end. The system is released from rest..
An ambulance moving at 42 m/s sounds its siren whose frequency is 450 Hz. a car is moving in the same direction as the ambulance at 25 m/s. what frequency does a person in the car hear as the car approaches the ambulance? After the ambulance passe..
An emf of 23.0 mV is induced in a505 turn coil when the current ischanging at a rate of 7.0 A/s. What is the magnetic flux through each turn of the coil
A Carnot engine uses a hot reservoir consisting of a large amount of boiling water and a cold reservoir consisting of a large tub of ice and water. how many kilograms of ice in the tub
A rod of 2.0-m length and a square (2.0 mm x 2.0 mm) cross section is made of a material with a resistivity of 6.0 x 10 ^-8 ohms m. What is heat generated in the rod
A circular wire loop of area 0.18m squared carries a current of 4 A. the coil lies in a horizontal plane with the current flowing in the counterclockwise direction, find the magnitude of the torque which acts on the loop
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