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Assuming the specific heat of the body is the same as water, calculate the temperature rise due to a total body dose of 10 Gy (1000 rad). Show your work.
The school bus picks up Brian in front of his house and takes him on a straight-line 3.6 km bus ride to school in the positive direction. what is his displacement on the walk home
Using energy considerations, compute the average force the beam exerts on the pile driver while the pile driver is brought to rest.
After solving a difficult physics problem, an excited student throws his book straight up. How much time does it take until the book hits the floor
Two parallel metal plates separated by a distance of 2mm and each having an area of .5m squared carry equal, What potential difference exist between the plates
At a factory, a noon whistle is sounding with a frequency of 480-Hz. As a car travelling at 79 km/h approaches the factory, the driver hears the whistle at frequency fi. After driving past the factory.
A 12uF capacitor a 10Kohms resistor a 20.0 volt battery and a switch are all connected in a series , find the voltage on the capacitor after three time constants
A projectile is launched from the ground and sails across an open field. At launch, its total mechanical energy is 100 J. At its highest point, is its potential energy greater than, less than, or equal to 100 J? Explain, assuming that air resistance ..
The gravitational force exerted on a baseball is 2.23 N down. A pitcher throws the ball horizontally with velocity 14.5 m/s by uniformly accelerating it along a straight horizontal line for a time interval of 169 ms. The ball starts from rest.
A baseball has a mass of 140 grams and a softball has a mass of 280 grams. In which of the situations would they both have the same momentum.By how much will a bar long of the same material.
A loudspeaker on a tall pole broadcasts sound waves equally in all directions. If the sound output is 7.0 W, at what distance from loudspeaker is the sound intensity level 85.7 dB.
Suppose you have a spherical balloon filled with air at room temperature and 1.0 atm pressure; its radius is 11 cm. what's the balloon's new radius
Sources A and B emit long-range radio waves of wavelength 530 m, with phase of the emission from A ahead of that from source B by 90°. The distance rA from A to a detector is greater than corresponding distance rB from B by 110 m. What is the magni..
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