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A frictionless track with a loop of radius 25 cm sits on a table 0.8 meters above the ground. If a 0.3 kg object just makes the loop, how high above the table did the object start and how far from the table does it land.
A motorcycle is travelling at a constant velocity of 30ms. The motor is in high gear and emits a hum of 700Hz. find the period of the sound waves emitted from the motorcycle
A 6.00 kg ball is dropped from a height of 11.0m above one end of a uniform bar that pivots at its center. The bar has mass 7.50kg, How high will the other ball go after the collision
A body slides down a plane inclined at 40 degrees to the horizontal, with an acceleration of 2.3 meters/second^2. Determine the coefficient of kinetic friction
A large closed bag of plastic contains 0.10 m3 of an unknown gas at an initial temperature of 10°C and at the same pressure as the surrounding atmosphere, 1.0 atm. How many moles of gas are in the bag
The 4 block in the figure is attached to a vertical rod by means of two strings. When the system rotates about the axis of the rod, the strings are extended and the tension in the upper string is 77.
What is the average kinetic energy of an ideal gas.
A 0.385kg block is attached to a horizontal spring and that oscillates in simple harmonic motion with a period of 0.303s. What is the force constant of the spring
A cancer treatment called the gamma knife uses focused 60Co sources to treat tumors. Each 60Co nucleus emits two gamma rays, Determine the effective radiation dose received by the tumor
The particles are as follows: 10 uC at x = 0, y = 0; -5 uC at x = 20, y = 0; -15 uC at x = 20, y = 20; What is the electric field at the center of the square
A baseball is hit with a speed of 33.0 ms-1 at an angle of 56.0 degrees. It land's on the flat roof of a nearby building with a height of 13 m. If the ball was hit when it was 1.7 m above the ground, what horizontal distance does it travel before it ..
an rc circuit with 5 uf and 3.30 mohms includes a 20 volt source. what is the time change constant for charging the
A high-voltage transmission line with a resistance of 0.33 omegacap.gif/km carries a current of 1040 A. What is the power loss due to resistance in the line
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