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The proton has a radius of approximately 1.0 × 10-13 and a mass of 1.7 × 10-24 g. Determine the density of a proton. For a sphere V = (4/3)πr3.
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A proton moving at a speed of 3.8 ´ 106 m/s cutsacross the lines of a magnetic field at an angle of 30°. The strength of the field is 0.25 ´ 10-4 T. What is the magnitude of the force acting on the proton?
define How long are the skid marks. calculate the time it takes the sled to go 21 m down the slope.
Find the center of mass of the earth-sun system. Show ow work and formulas for credit.
A high diver of mass 65.0 kg steps off a board 10.0 m above the water and falls vertical to the water, starting from rest. What average upward force did the water exert on her
Calculate the magnitude of the force the right hand side of the channel exerts on the ball. Use g=9.8m/s^2.
A converging lens (f1 = 24.0 cm) is located 56.0 cm to the left of a diverging lens (f2 = -28.0 cm). How far is the object from the converging lens
the position of an object moving in a straight line is given by x= 5+3.0t - 40t^2 -20t^3, where x is in meters and t in seconds. a)What is the position of the object at t=1,2,3 and 4 s
Catching a wave, a 63-kg surfer starts with a speed of 1.3 m/s, drops through a height of 1.75 m, and ends with a speed of 8.2 m/s. How much nonconservative work was done on the surfer?
An electron has an initial velocity of 2.00 ? 106 m/s in a uniform 4.00 ? 105 N/C strength electric field, How far does the electron travel before coming to rest
A 4.4 kg block of aluminum is heatedat atmospheric pressure so that its temperature increases from28.5°C to 44.0°C. Find the change in the block's internal energy
A solid sphere of uniform density starts from rest and rolls without slipping a distance of d = 4 m down a q = 25° incline. The sphere has a mass M = 4 kg and a radius R = 0.28 m. Illustrate what is the translationg kinetic energy
A spherical satellite with a radius of 75m is spinning over its own axis with an angular speed of 232rad/s. What is the angular momentum after the failure
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