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A bare helium nucleus has two positive charges and a mass of 6.64 multiplied by 10-27 kg.
(a) Calculate its kinetic energy in joules at 3.40% of the speed of light.
(b) What is this in electron volts?
(c) What voltage would be needed to obtain this energy?
How much kinetic energy will an electron gain (in joules) if it accelerates through a potential difference of 1.30×104V
As the refrigerant passes through the compressor, heat transfer to the surrounding occurs at a rate of 0.32 kJ/s. Determine at steady state the power input to the compressor, in kW.
An object starts from the origin and goes along the x-axis to x = 10 m in 2 s, stops for 5.5 s, and then travels at v = -4 m/s for 2.5 s
Suppose you tart with 250 g of ice at 0 degrees celsius. Calculate the amount of heat energy that must be transferred to convert the ice to steam at 100 degrees celsius
A 60 kg man is riding on a 30 kg cart traveling at a speed of 2.7 m/s. He jumps off with zero horizontal speed relative to the ground. What is the resulting change in the cart's speed
find the speed and direction of a proton passing through the origin and where the magnetic fields are: B1=1.0x10^-13 (j hat) T at (x,y,z)= (1,0,0) in mm, B2= -1x10^-13 (i hat) at (0,1,0) in mm
q1. in the atwood machine shown below m1 2.00 kg and m2 8.00 kg. the masses of the pulley and string are negligible
A wind is blowing straight from north to south at an unknown speed. When you hold up a piece of thread you can see that the wind stretches it out so that it points from your hand to the south. What is the speed of the wind relative to the ground
On August 19,1987, Alessandro Andrei set a world record in the shot put with a throw of 22.9 m (75 ft 2 in.). What was the maximum height the projectile reached above the ground
A 2.4kg toy locomotive is pulling a 1.6kg caboose. The frictional force of the track on the caboose is 0.54N backward all along the track. If the train is accelerating forward at 3 m/s2, what is magnitude of the force exerted by the locomotive on ..
Two lenses are mounted in a tube such that the distance between them can be varied. What is the magnification achieved
The nucleus of a helium atom contains two protons. In a simple model of this nucleus, What is the electric potential energy of the two protons
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