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By doing a nuclear diffraction experiement, you measure the de Broglie wavelength of a proton to be 9.16 fm. (a) What is the speed of the proton? (b) Through what potential difference must it be accelerated to achieve that speed?
A sample of 23892U is decaying at a rate of 455 decays/s . The half-life is 4.468E9yr. compute the mass of the sample
A car drives straight off the edge of the cliff that is 56 m high. The police at the scene of the accident note that the point of impact is 128m from the base of the cliff. How fast was car travelling when it went over the cliff.
A space station is constructed in the shape of a hollow ring of mass 5.90 104 kg and radius 140 m. The station has 300 crew members (each with average mass 65kg), How much work is done to get the space station spinning
Three resistors are connected in parallel to a 12.0 V battery. Two of the resistance values are 58\Omega and 42\Omega. what is the value of the third resistor
For the 4-particle system find the moment of inertia about the y-axis, that passes through the two masses on the left-hand side of the system.
A gymnast is performing a floor routine. In a tumbling run she spins through the air, How much time does this maneuver take
Estimate the wavelength of the light.
one of your classmate has a friend with a boat. here is your classmate on water-skis being towed. what is the friction force of the water
q1. a fan at a rock concert is 30 m from the stage where sound intensity level is 110 db. her eardrums have the
From the top of a mountain a hiker looks at the next mountain top in the distance and notes the compass direction of the peak. how far has the hiker walked
A spherical concave lens has a focal length of 40 cm, and an object is placed 20 cm from the lens. Draw a ray diagram. (Submit a file with a maximum size of 1 MB.) Estimate the image distance
After a completely inelastic collision, two objects of the same mass, Find the angle between the initial velocities of the objects
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