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A 38 g bullet strikes a 0.65 kg block attached to a fixed horizontal spring whose spring constant is 6.2 x 103 N/m and sets it into vibration with an amplitude of 23 cm. What was the speed of the bul
The satellite is in low earth orbit, and the radius of the orbit is 300km above the surface of the earth. What is the orbital period?
At this temperature the Hentry's Law constants are K=175 Torr for acetone and K= 165 Torr for choloform. Consider a mixture of acetone and chloroform in which the mole fraction of chloroform is 0.1
What is the wavelength of the radio waves broadcast by an FM radio station with a frequency of 90.7 MHz?
A variable capacitor is connected in series to an inductor with negligible internal resistance and of inductance 4.25 x 10-4H. The combination is used as a tuner for a radio. If the lowest frequency
What is the reactance of an air core solenoid of length 7.57 cm, radius 1.12 cm, and 270 turns at a frequency of 16.9 kHz?
What is the power dissipation by the heater if the voltage drops to 107 V rms during a brown-out? Assume the resistance stays the same.
If the wire experiences a magnetic force of 0.0574 N, what is the current flowing in it? Express your asnwer with the appropriate units.
Two spaceships pass each other, travelling in opposite directions. The speed of ship B as measured by a passenger in ship A is 0.95c. This passenger has measured the length of ship A as 135m and det
A particle of rest mass mo with kinetic energy 15moc^2 makes a perfectly inelastic collision with an identical particle that is at rest, forming a particle of rest mass Mo. determine the momentum (i
A particle of rest mass mo with kinetic energy 6moc^2 makes a perfectly inelastic collision with an identical particle that is at rest, forming a particle of rest mass Mo. Determine the energy (in u
A particle has a velocity u = 0.59c in the labortory. The laboratory is itself moving with velocity v = 0.48c relative to an inertial frame S. What is the magnitude of the velocity (in units c) of t
The distance between New York and Los Angeles is about 5,000 km. A jet, traveling at a speed of 815 km/hour, leaves New York. Calculate the time elapse for the plane to reach the Los Angeles airport
A particle has a velocity u = 0.59c in the labortory. The laboratory is itself moving with velocity v = 0.81c relative to an inertial frame S. What is the velocity (in units c) of the particle in S
A particle has a velocity u = 0.84c in the labortory. The laboratory is itself moving with velocity v = 0.77c relative to an inertial frame S. What is the velocity (in units of c) of the particle in
Two spaceships pass each other, travelling in opposite directions. The speed of ship B as measured by a passenger in ship A is 0.86c. This passenger has measured the length of ship A as 108m and det
The detectors on the rocket record the flashes from both guns as simultaneous events. Determine the x component of the rocket's velocity in units of m/s.
A flat sheet ofcrown glasshas a thickness of 2.2 cm. It is on top of a flat sheet of crystalline quartz that has a thickness of 3.5cm. Light strikes the crown glass perpendicularly and travels throu
Calculate the friction force needed on a train passenger of mass 65 if the track is not banked and the train does not tilt.
When a person inhales, air moves down the bronchus (windpipe) at 14cm/s. The average flow speed of the air doubles through a constriction in the bronchus. Assuming incompressible flow, determine the
A sample of an unknown material appears to weigh 280N in air and 175N when immersed in alcohol of specific gravity 0.700. What is the density of the material?
A small ferryboat is 4.00 m wide and 6.00 m long. When a loaded truck pulls onto it, the boat sinks an additional 4.20 cm into the river. What is the weight of the truck?
Solar panels are priced based on the number of kilowatts they generate. You pay the utility an amount based on the number of kilowatt-hours you use. What is the connection between kW and kW·h
How far should the lens be from the LCD (be sure to keep at least 3 significant figures throughout your calculations)?
A 0.75-kg mass moving with a speed of 5.0 m/s encounters a 0.25-kg mass moving in the opposite direction with speed 5.0 m/s. Assume the objects collide in an elastic collision where no energy is lost.