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A beam of 16MeV deuterons (m=2mp) from a cyclotron falls on a copper block. The beam is equivalent to a current of 15 microA.
(a) At what rate do deuterons strike the block?
(b) At what rate is thermal energy produced in the block?
A long solenoid of r =1cm and lnght l=1m is inserted into another long solenoid of radius r=3cm, Find the mutual inductance of the two solenoids
Electrons are accelerated through a potential difference of 39.0 V. The beam of electrons then passes through a single slit. estimate the width of the slit
An object falls off of a pier and into the ocean (sea water) where it displaces a total volume of 3.4 cubic meters of sea water. What is the buoyant force acting on the object in newtons
A photoflash unit makes a very bright light for a very short time, Which is important: the intensity of the light, or the product of the intensity and the time of the flash
If the fish starts from a distance 1.09 m from the base of the ledge over which the waterfall flows, Can the fish make this jump
A ceiling fan with 84cm diameter blades is turning at 61rpm. Assume the fan coasts to a stop 25 after being turned off. What is the speed of tip of a blade 10 s after the fan is turned off.
Suppose that the dipole moment associated with an iron atom of an iron bar is 2.7 x 10-23 J/T. Assume that all the atoms in the bar, What is the dipole moment of the bar
Two sound sources radiating in phase at a frequency of 560 Hz interfere such that maxima are heard at angles of 0 and 25° from a line perpendicular to that joining the two sources. Find out the separation between the two sources. (Wave velocity of..
A copper cylinder with a temperature of 277 K is found to emit 179 J of energy each second. what is its surface area
A horizontal magnetic field of 1.0 x 10^-4 T is at an angle of 30 degrees to the direction of the current in a straight wire 75 cm long. what is the magnitude of the force on the wire
A skydiver opens the parachute at the moment when he is 540 meters above the ground and his speed (right before opening the parachute) is 97m/s. What should be the magnitude of the air resistance force
Estimate the average force exerted by a shot-putter on a 7.0 kg shot if the shot is moved through a distance of 2.8 m and is released with a speed of 13 m/s
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