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The rest energy E of an electron has a rest mass of 9.11 x 10 -31kg. Using Einstein's famous equation E = mc 2, find the rest energy of that electron. Also given is the speed of light (c) at a value of 2.99792458 x 10 8 m/s.
A metal sphere of mass M and radius R is charged up so that its surface is at an electric potential V. What is the electric potential at the center of the sphere
The position of an object as a function of time is given by x= bt + ct3, where b = 1.50 m/s and c = 0.640m/s3. calculate the averagevelocity of the object over time intervals
A puck of mass m1 = 63g and radius r1 = 4.30 cm glides across an air table at a speed of = 1.50 m/s. It makes a glancing collision with a second puck of radius r2 = 6.00 cm and mass m2 = 115 g (initially at rest) such that their rims just touch.
and how would we improve this product? what would we change? how ould that impact the final product performance and
A 1.50- ?C charge is placed at the center of a cube of sides 3.10 cm. Determine the electric flux through each of the sides
The contacts worn by a farsighted person allow her to see objects clearly that are as close as 25.0 cm, How far away is the poster actually located
A mass is attached to the end of a spring and set into oscillation on a horizontal frictionless surface by releasing it from a stretched position of x = +0.150 m. find maximum speed of the oscillating mass
What diameter must a copper wire have if its resistance is to be the same as that of an equal length of aluminum wire
A gyroscope slows from an initial rate of 32.0 rad/s at a rate of . How many revolutions does it make before stopping
a merry go round (a disk I=1/2MR^2, M=500 kg, R = 1.5m) roatates at 2m/s. What is the new rotation rate for the merry go round with the child
In the Bohr theory of the hydrogen atom, an electron moves with constant speed in a circular orbit about a proton, where the radius of the orbit is 0.53 x 10-10 m, Determine the electrostatic force exerted by the proton on the electron
The magnetic field inside a superconducting solenoid is 5.80 T. The solenoid has an inner diameter of 6.20 cm and a length of 26.0 cm. Determine the magnetic energy density in the field
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