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What is the magnitude of the electric force of attraction between an iron nucleus (q=+26e) and its innermost electron if the distance between them is 1.5 x 10^-12m
Consider a series LRC circuit with R=201 ?, L=0.34 H and C=1 µF. The current is 10 mA amplitude at 2 kHz. Remember ? = 2pf, where f is the frequency in cycles per second or Hz. Find the voltage amplitude VL on the coil. Express the answer with two..
The wheel of a racing car is rotating at 200 rpm at a given instant of time. In the next minute it makes 100 revolutions. The angular acceleration of the wheel is
A race car is one lap behind the lead car when the lead car has 43 laps to go in a race. If the speed of the lead car is 54.2 m/s, what should be the average speed of the second car to catch the lead car just before the end of the race (i.e. right..
One afternoon, a couple walks three-fourths of the way around a circular lake, the radius of which is 3.00 km. What is the distance they travel
Blue light of frequency 6.0 1014 Hz falls on the surface of potassium, which has a work function of 2.26 eV. Find the maximum kinetic energy of emitted electrons
Rumor has it that a photographic camera on a spy satellite can read the license plate of an automobile on the ground. what must be the diameter of the aperture of the camera
A Brayton-cycle heat engine follows the cycle shown in the figure. The heat input from the burning fuel is 2.0 MJ per cycle. Determine the engine's thermal efficiency by explicitly
Two converging lens with a focal lengths of 10 cm are separated by 10 cm. What is the position of the final image
q. a paratrooper pilot fell 360 m after jumping without his parachute opening. he landed in a snow bank creating a
53.53 J of heat are removed from a gas sample while it is being compressed by a piston that does 52.01 J of work. What is the change in internal energy of the gas
A block of mass m =2.00kg is released from rest at h=0.300 m from the surface of a table at the top of a theta=50.0 degree incline as shown below. How far from the table will the block hit the floor
0.45 kg of a metal at 90.°C is added to 0.40 kg of water at 20.0°C. If the final temperature of the mixture is 26.°C, what is the specific heat of the metal
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