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Merry-Go-Round. Two identical twins, Jena and Jackie, are playing one December on a large merry-go-round a disk mounted parallel to the ground.
Two inertial frames O and O' are in standard configuration. Write down the two equations relating spacetime intervals Delta x' and Delta t' in O'
Assuming no energy escapes, find the approximate temperature rise of 1kg of 235U over 1year from decay.
Carbon-14 datin of ancient objects requires that material to be organic in order to assay its age. You hear someone sat that a dinosaur bone ws carbon dated
The muon is a subatomic particle with the same charge as an electron but with a mass that is 207 times greater. m_u = 207m_e.
A stone is thrown vertically downward with a speed of 6m/s from a cliff. How far down will the stone be from the cliff after 3.0 s?
A stuntman is being pulled along a rough road at a constant velocity, by a cable attached to a moving truck.
Prove that the De Broglie wavelength associated with a particle having kinetic energy K which is not negligible compared to its rest energy m0 c^2 is given by
The velocity of a 1.9 kg block sliding down a frictionless inclined plane is found to be 1.15 m/s. 1.40 s later, it has a velocity of 5.35 m/s.
A volleyball is spiked so that it has an initial velocity of 15 m/s directed downward at an angle of 55 degrees below the horizontal.
How fast does a proton have to be moving is order to have the same de Broglie wavelength as an electron that is moving at 3.75x10^6 m/s? Units are m/s.
For each of the first 7 seconds of freefall, calcucate the distance that the hammer fall, and its velocity at that particular moment.
Which material would have the strongest compressive strength?
Is the same result true if they land at different times (with one piece still landing 100m beyond the target)
Name the three kinds of strength used to characterize materials AND give an example of a material that are strong in each of these modes.
On 15 March 2012, researchers at the National Ignition Facility fired all 192 laser beams at once to deliver 1.875 MJ of energy in 23 billionths
How would you describe the amount of distance fallen each second for an accelerating object?
Consider a beam of monoenergetic photons incident on a slab of water as depicted below. The energy per photon is 5 MeV and the indicent photon
For each of the first 7 seconds of free fall, calculate the distance that the hammer falls and its velocity at that particular moment.
Suppose that a rocket is fired straight up, from the surface of the Earth with a velocity that is exactly half of the escape velocity.
What recoil velocity does she acquire in response to a single shot from a stationary position, assuming that no external force keeps her in place?
According to Newton's Third Law, a force in one direction produces an equal force in the opposite direction.
If you repeated the same experiment on the Moon, what would you notice? Again, how do you support your answer?
Calculate the time averages of the kinetic and potential energies and compare the results of the viral theorem.
What is the frequency of the light? Using scientific notation, (Round your answer to two decimal places).