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Q. What is the frequency of the small axial oscillations that the electron will undergo if it is released along the z-axis near the origin?
Q. A 125 g copper bowl contains 180 g of water, both at 20.0°C. A very hot 300 g copper cylinder is dropped into the water, causing the water to boil, with 5.90 g being converted to steam. The final temperature of the system is 100°C. Neglect energy transfers with the environment.
(a) How much energy (in calories) is transferred to the water as heat?
(b) How much energy (in calories) is transferred to the bowl?
(c) What is the original temperature of the cylinder?
What is its velocity at impact? What will its average velocity be? What will its average speed be.
An airplane moves 140 m/s as it travels around the vertical circular loop which has a 1 km radius. What is the magnitude of the resultant force on the 70 kg pilot of this plane at the bottom of this loop.
A 15.00 block is attached to a very light horizontal spring of force constant 450 and is resting on a smooth horizontal table. Suddenly it is struck by a 3 stone travelling horizontally at 8 to the right, whereupon the stone rebounds at 2.00 horizont..
A small steel ball bearing with a mass of 11g is on a short compressed spring. When aimed vertically and suddenly released, spring sends the bearing to a height of 1.21 m. compute the horizontal distance the ball would travel if the same spring we..
A flight attendant pulls her 64 N flight bag a distance of 370 m along a level airport floor at a constant velocity. The force she exerts is 45 N at an angle of 51° above the horizontal.
What is the smallest distance required to stop the plane
An ocean liner leaves New York City and travels 34.0° north of east for 169 km. How far east and how far north has it gone? In other words, what are the magnitudes of the components of the ship's displacement vector in the subsequent directions.
A 3.00-m-long, 400 kg steel beam extends horizontally from the point where it has been bolted to framework of a new building under construction. A 74 kg construction worker stands at the far end of the beam.What is the magnitude of the torque abo..
What is amplitude of the electric component of the signal
Find out the normal force for a laundry basket
Consider a standing wave on the string with a frequency equal to the fifth harmonic (fn = nf1 with n = 5). How many nodes and antinodes does this standing wave possess.
The convex lens of a copy machine has a focal length of 25 cm. A letter to be copied is placed 40.0 cm from the lens.
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