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What is the wavelength of the 60,000-Hz radio wave used by 'radio-controlled' clocks and wristwatches? Answer in meters.
a solenoid is wound with a single layer of insulated copper wire of diameter 2.500 mm and has a diameter of 3.000 cm
A steel ball of mass 0.400 kg is fastened to a cord that is 60.0 cm long and fixed at the far end. The ball is then released when the cord is horizontal. Find the speed of the block just after collision
What is the difference between mass and weight? Why does a bowling ball fall faster than a feather on Earth's surface? A moped and an SUV are driving at the same speed. If they collide head on and get tangled together, will the system accelerate? ..
The 22.5 g arrow is shot with a speed of 37.0 m/s and passes through the target, which is stopped by the impact. What is the speed of the arrow after passing through the target
When a pulse is amplified in a linear amplifier, the charge carrier transmit time can cause.
a concave mirror used by a person who is shaving or applying makeup creates a virtual image of the face that is 1.60
The speed of light in a transparent plastic is 2.2x108 m/s. If a ray of light in air (with n=1) strikes this plastic at an angle of incidence of 18.6 degrees, Find the angle of the transmitted ray
You are to design a rotating cylindrical axle to lift 800 N buckets of cement from the ground to a rooftop 78.0 m above the ground. what should the angular acceleration of the axle be
A capacitor with 10 microfarad capacitance is connected in series with a resistor of 2.5 mega-ohms. If this capacitor is charged to 4 volts, and the circuit is closed, how many seconds will pass before the voltage drops to 1 volt?
X-rays having an energy of 250 keV undergo Compton scattering from a target. Find the Compton shift at this angle
What is the Mach number of the reflected shock that travels back toward the piston? What are the static pressure and temperature of the air downstream of the reflected shock?
Police investigators, examining the scene of an accident involving two cars, measure 72-m-long skid marks of one of the cars, Estimate the initial speed of that car assuming a level road
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