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An LC circuit has a 9.00 m/H inductor. The current has its maximum value of 0.550 A at t= 0s . A short time later the capacitor reaches its maximum potential difference of 62.0 V. What is the value of the capacitance?
A 1300-kg car is being driven up a 4.0° hill. The frictional force is directed opposite to the motion of the car and has a magnitude of f = 530 N. A force Farrowbold is applied to the car by the road and propels the car forward.
A shell is shot with an initial velocity v1 of 33 m/s, at an angle of 60° with the horizontal. At the top of the trajectory, the shell explodes into two fragments of equal mass (Fig. 8-26). One fragment, whose speed immediately after the explosion is..
A luge and its rider, with a total mass of 81 kg, emerge from a downhill track onto a horizontal straight track with an initial speed of 30 m/s. If a force slows them to a stop at a constant rate of 3.9 m/s2, (a) what magnitude F is required for the ..
A 18--long nichrome wire is connected across the terminals of a 1.5 battery. What is the electric field inside the wire? What is the current density inside the wire? If the current in the wire is 3.0 , what is the wire's diameter? please show what fo..
A rod of length l and mass m, pivoted at one end, is held by a spring at its midpoint and a spring at its far end, both pulling in opposite directions. The springs have spring constant k, and at equilibrium their pull is perpendicular to the rod. ..
A disk has a moment of inertia of 3.0x10-4 kgm2, and rotates with an angular speed of 3.5 rad/sec. What is the magnitude of the net torque must be applied to bring it to rest in 3.0 s?
A hydrogen atom (particle 1) is initially at rest. A neutron (particle 2) initially moves to the east at speed v, colliding with the hydrogen atom. Immediately after the collision, the neutron is moving to the south, and the hydrogen atom is moving a..
A pencil beam of 200-keV photons is normally incident on a 1.4-cm-thick sheet of aluminum pressed against a 2-mm- thick sheet of lead behind it. What fraction of the incident photons penetrate both sheets without interacting? What would be the differ..
A narrow beam of 400-keV photons is incident normally on a 2 mm iron liner. What fraction of the photons has an interaction in the liner? What thickness of Fe is needed to reduce the fraction of photons that are transmitted without interaction to 10%..
A 662-keV photon is Compton scattered at an angle of 120degree with respect to its incident direction. What is the energy of the scattered electron? What is the angle between the paths of the scattered electron and photon?
Find the kinetic energy of a 81.0-kg spacecraft launched out of the solar system with speed 146 km/s by using the classical equation K =(1/2)mu^2
Two forces, F1 vector and F2 vector, act at a point. F1 vector has a magnitude of 8.40N and is directed at an angle of 65.0 degrees above the negative x axis in the second quadrant. What is the magnitude of the resultant force
Find the difference of the initial and the final masses for the decay 137N?126C+p. The atomic masses of 137N, 126C,
It is possible to make a thermometer by sealing gas in a rigid container and measuring the absolute pressure. What is the temperature of this sample
A 18cm tall image is located at 4 cm behind a concave mirror with a focal length 5 cm. Find the location of object, its height, and the magnification
Suppose you are planning a trip in which a spacecraft is to travel at a constant velocity for exactly ten months, how fast must you travel
A physics student playing with an air hockey table (a frictionless surface) finds that if she gives the puck a velocity of 3.74 m/s along the length ( 1.76 m) of the table at one end, What is the angle of inclination
There are two parallel straight wires with the length of 40 cm long and they are separated by 5 cm. what is the magnetic force on the right side wire
A size-5 soccer ball of diameter 22.6cm and mass 426g rolls up a hill without slipping, reaching a maximum height of 5.00m above the base of the hill. How much rotational kinetic energy did it then have
A 10000 kg boxcar traveling at 20 m/s strikes a second boxcar at rest. The two stick together and move off with a speed of 11 m/s. What is the mass of second car.
A projectile is thrown from a point 39.2m away from the foot of a building 19.6m high and just reaches the top horizontally. Find the velocity of projection and the angle of throw
A bullet of mass m and speed v passes completely through a pendulum bob of mass M. The bullet emerges with a speed v/2. The pendulum bob is suspended by a stiff rod of length and negligible mass. What is the minimum value of v such that the pendulum ..
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