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The question is: A 20 kiloton bomb releases 8 x 10^13 joules. How much mass must be converted into other forms of energy?
You are already given Energy, would I still use the E=mc^2 formula??
Four identical masses of 3.2 kg each are located at the corners of a square with 1.1 m sides. What is the net force on any one of the masses
a 3.77-kg ball of clay is thrown downward from a height of 3.47 m with a speed of 4.81 ms onto a spring with k 1690
Consider two spherical stones with same density (mass per unit volume). Find the ratio of the terminal speed in air of the larger stone to that of the smaller stone
What is the translational speed of the object. What is the frequency. As the object passes through the lowest point in its motion, what is the direction of the acceleration of the object
bob walks 390m south then jogs 660m southwest then walks 390m in a direction 35circ east of north. a find the
Compare the electric force holding the electron in orbit (r=0.53×10?10m) around the proton nucleus of the hydrogen atom, What is the ratio of these two forces
find the angle counterclockwise relative to the horizontal.
Superman throws a 0.18 kg baseball at a speed of 0.936c. Find the following for the baseball. rest energy. kinetic energy
An elevator releases 11200J of gravitational potential energy as descending 4m between floors. How much does elevator weigh.
A 40-kg pole vaulter running at 14 m/s vaults over the bar. Her speed while she is above the bar is 1m/s. Avoid air resistance, in addition to any energy absorbed by the pole, and determine her altitude as she crosses the bar.
A laser beam is traveling through an unknown substance. When it encounters a boundary with air, the angle of reflection is 22.4° and the angle of refraction is 40.0°. What is the index of refraction of the substance
A 3 g object undergoing simple harmonic motion given by: s =25m cos( t x 10/sec). Find the maximum kinetic energy for the motion given
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