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A positive charge of 5.50 C is fixed in place. From a distance of 3.70 cm a particle of mass 5.60 g and charge +3.10 C is fired by an initial speed of 80.0 m/s directly toward the fixed charge. How close to the fixed charge does the particle obtain before it comes to rest and starts traveling away?
entropy two identical bodies with heat capacities at constant volume which vary linearly with tempereature cv10t are
A downward force of 3.0N is exerted on a -8.8C charge. What is the direction of the electric field at this point? What is the magnitude of the electric field at this point?
A skier is gliding along at 3.6 m/s on horizontal, frictionless snow. He suddenly starts down a 10 degree incline. His speed at the bottom is 17 m/s .
The two angled ropes used to support the crate in the figure below an withstand a maximum tension of 1600 before they break What is the largest mass the ropes can support
Suppose a muon produced as a result of cosmic ray colliding with a nucleus in the upper atmosphere has a velocity v = 0.9500c. How far would it have traveled as observed on earth
A 700 g block is released from rest at height h0 above a vertical spring by spring constant k = 470 N/m and negligible mass. The block sticks to the spring and momentarily stops after compressing the spring 24.0 cm. How much work is done by the sprin..
A 119 kg fullback runs at the line of scrimmage. How fast was he running initially
A subway train has three cars, each weighing 1.20 x 105 N. The frictional force on each car is 103 N, and the first car, acting as an engine, What is the tension between the second and third cars
To pump 100Joules of heat from the ice cube tray of freezing water at 273K, out into a hot room at 310 K, the laws of thermodynamics say that you will need at least how many Joules of ordered energy or work.
If the air pressure at a particular place in the mountains is 0.75 atm estimate the temperature at which water boils
A rail car that weighs 40 N is accelerated at 6.9 m/s/s for 4.9 seconds. How much work is done on the rail car
explain the changes in acceleration velocity and net acceleration of a man jumping off a plane in a parachute. describe
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