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(a) A small ball with a mass of 0.06 kg moves along a circular orbit with a radius of 0.5 m at a speed of 3.0 m/s. What is the angular momentum of the ball?
Angular momentum = mvr
(b) If the angular momentum of this ball were quantized in the same manner as the angular momentum of electrons in the Bohr model of the atom, what would be the approximate value of the quantum number n in such a case?
A 1000-kg car travelling at a speed of 32 m/s skids to a halt on wet concrete where f_k = 0.3. How long are the skid marks.
Calculate the rates of solar heating
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A cigarette lighter in a car is a resistor that, when activated, is connected across the 12-V battery. Find the current that the battery delivers to the lighter
A flat coil of wire is used with an LC-tuned circuit as a receiving antenna. The coil has a radius of 0.35 m and consists of 480 turns. find the magnitude of the average emf induced in the antenna
On the planet Newtonia, a simple pendulum having a bob with a mass of 1.33kg and a length of 186.2cm takes 1.45s , when released from rest, What is the mass of the planet Newtonia
A glass lens has a convex surface with radius 25.0 cm and a concave surface with a radius of 50.0 cm. The glass has index of refraction of 1.51. Calculate the focal length of this lens
An ac generator emf is = m sin d t, with m = 26.4 V and d = 301 rad/s. It is connected to a 15.4 H inductor. What is the maximum value of the current
A box slides across a frictionless floor with an initial speed v = 3.4 m/s. It encounters a rough region where the coefficient of friction is µk = 0.5. with what speed does the box leave the strip
A heat engine, in each cycle, takes in 750 J of heat and exhausts 300 J of heat. what is the smallest possible high temperature for the engine cycle
Find the speed of a satellite moving around the earth in a circular orbit that has a radius equal to six times the earth's radius of 6.38 106 m
When a switch is closed, the current in a wire is given as i(t)= 1.0Aexp(-.5t). How much charge will flow out if the switch is closed forever
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