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Consider a wire with resistivity of 5.2x10-7? m, a diameter of 7.50 mm, and a length of 27 m. Decide the resistance of the wire in ohms (?). Round your answer to three important figures.
A 35 g ice cube at 0.0°C is added to 110 g of water in a 62 g iron cup. The cup and the water have an initial temperature of 26°C. Discover the equilibrium temperature of the cup and its contents.
Two coils are close to each other. The first coil carries atime-varying current given by I(t) =(4.7 A)e^-0.023t sin(377t). What is the mutual inductance of the coils
The distance between the moon and the earth is 384,403 km, The orbital period of the moon is about 27.32 days. Calculate the average orbital speed in m/s of the moon
A military helicopter on a training mission is flying horizontally at a speed of 90.0m/s when it accidentally drops a bomb, How much time is required for the bomb to reach the earth
Two physical pendulums (not simple pendulums) are made from meter sticks that are suspended from the ceiling at one end. Determine the period of the wood pendulum
A long cylindrical conducting shell has inner radius R1=10 cm and an outer radius R2=12 cm. the conductor has no net charge. At the center of the cylinder, there is a negative line of charge with linear charge density λ=5μc/m.
A certain type of laser emits light that has a frequency of 5.7 1014 Hz. How many wavelengths are there in one pulse
at point A, 3.00 m from a small source of sond that is emitting uniformly in all directions, the sound level is 53.0 dB. what is the intensity of the sound at point A
A person pulls a toboggan for a distance of 34.8 m along the snow with a rope directed 32.2 degrees; above the snow. The tension in the rope is 91.5 N. How much work is done on the toboggan
Capacitors C1=10\muF and C2=25\muF are each charged to 25V , then disconnected from the battery without changing the charge on the capacitor plates. What is the potential difference across each capacitor
A slug of mass 0.100 kg moving straight upward at 50.0 m/s collides with a 0.400 kg wooden block that is 20.0 cm long on a side, What is the loss of kinetic energy immediately before/after the hit
(a) How far is the tortoise from the finish line when the hare resumes the race? (Please provide numerical answer in m) (b) For how long in time was the hare stationary?
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