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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).
The weight that will cause a wire of diameter d to stretch a given distance, for a fixed length of wire, is proportional to what?
If a radioactive parent isotope decays to produce a stable daughter isotope, what will be the daughter to parent ratio (D/P) after 9 half-lives?
A basketball player is balancing a spinning basketball on the tip of his finger. The angular velocity of the ball slows down from 18.5 to 14.1 rad/s.
Consider the following nuclear processes which are used to produce isotopes used in medical imaging:
Verify that the gravitational force - GMmr/r2 on a point mass m at r, due to a fixed point mass M at the origin.
A lunar landing craft needs to hover just above the surface of the moon, which has a gravitational acceleration of (1/6) g.
Compare the nuclear radii of the following nuclides: (2 1H), (60 27Co), (197 79Au), (129 94Pu).
A car has been traveling up along a 2 percent grade at a constant speed of 55 miles/hr.
A patient undergoing radiation therapy for cancer receives a 215-rad dose of radiation. (a) Assuming that the cancerous growth has a mass of 0.17kg
The half-life of iodine-131, an isotope used in the treatment of thyroid disorders, is 8.04 d.
How many protons and neutrons does each of the three isotopes of potassium have?
A 500-microFarad capacitor is discharged through a 4.7-Mega ohm resistance. What is the time constant?
The isotope 234U92 undergoes five successive alpha decays. Identify the daughter nucleus at each step.
The coefficient of kinetic friction between the player and the ground is 0.220. What is his speed when he reaches the plate?
Determine its speed when it is at point B. Also determine the sudden decrease in speed the rocket must experience at A in order to travel in a Circular orbit.
Which aspect of Newtonian relativity requires U to depend only on the separation vector x1 – x2?