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A pendulum clock was moved from a location where g = 9.8096m/s2 to another location where g = 9.7971m/s2. During the move, the length of the clock's pendulum did not change; however, the clock lost accuracy. Assuming the clock was perfectly accurate at its original location, is it loosing or gaining time at the new location? How many seconds per day?
Jumping up before the elevator hits. After the cable snaps and the safety system fails, an elevator cab free-falls from a height of 33.0 m. determine the magnitudes of the impulse
An electron and a proton move in circular orbits in a plane perpendicular to a uniform magnetic field B. Obtain the ratio of the radii of their circular orbits when the electron and the proton have the same kinetic energy
An open-topped cylindrical pot has a volume of 125cm3. What dimensions will minimize the total amount ofmaterial used in making this pot? Neglect the thickness of thematerial as well as possible wastage.
Suppose you have an electric hot water heater for your house which is an aluminum cylinder which has a 0.56 m radius and is 1.8 m high. The walls are 1.0 cm thick.
the outer wall of a building is constructed from concrete blocks. if the wall is 5.0 m long at 20 degrees celcius, How much shorter is it on a cold day
A 10-kg block of ice has a temperature of -12°C. The pressure is one atmosphere. Theblock absorbs 4.12 multiplied by 106J of heat. What is the final temperature of the liquid water
A 10m uniform beam of weight 100 N is supported with two ropes at the ends. If a 400 N person sits at 2.0 m from the left end of the beam, what is the tension in the left rope? (Please provide calculations)
A 380kg piano slides 3.2m down a 27â degrees incline and is kept from accelerating by a man who is pushing back on it parallel to the incline, What is the force exerted by the man
A small object of mass 3.78 gram and charge -17.2 µC is suspended motionless above the ground when immersed in a uniform electric field perpendicular to the ground. Find the magnitude and direction of the electric field
A circular coil of 4 turns and a diameter of 30.0 cm is oriented in a vertical plane with its axis perpendicular to the horizontal component of the Earth's magnetic field. find the horizontal component of the Earths magnetic field
A violinist places her finger thus that the vibrating section of a 1.00 g/m string has a length of 40 centimeter, and then she draws her bow across it. Determine what is the tension in the string
Two glass plates are separated with fine wires, with diameters d1 = 0.0500 mm and d2 = 0.0520 mm, as indicated in the figure. The wires are parallel and separated with a distance of L =6.80 cm. If monochromatic light with λ = 500 nm is incident from ..
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