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A man can throw a ball a maximum horizontal distance of 142 m. The acceleration of gravity is 9.8 m/s2 . How far can he throw the same ball vertically upward with the same initial speed?
A piece of radium has an activity of 18 mCi. What is the mass of the radium
A transition for an electron in the Bohr Hydrogen atom will be given. You determine what energy/frequency/wavelength photon is emitted
A bullet is shot out of a gun with a 61 cm barrel at a speed of 410 m/s into a block of wood. The bullet enters the wood 13 cm. Illustrate what force does the block exert on the bullet? What is the time it takes?
An engine puts out 5 kW of power at an efficiency of 35.0%. If 8850 J of energy is expelled each cycle find the energy absorbed in each cycle
a an electron in a hydrogen atom has orbital angular momentum 5 hbar. what is the smallest total angular momentum it
Two stationary positive point charges, charge 1 of magnitude 3.25 nC and charge 2 of magnitude 1.9nC, are separated by the distance of 60 cm. An electron is released from rest at the point midway between the two charges, and it moves along the lin..
You are arguing over a cell phone while trailing an unmarked police car by 26.0 m; both your car and the police car aretraveling at 110 km/h. Your argument diverts your attention fromthe police car for 2.0 s (long enough for you to look at the pho..
A 2.00 kg block of ice is placedagainst a horizontal spring that has force constant k = 220 N/m andis compressed 0.037 m. What is the speed of the block after it leaves the spring
A cylindrical brass sleeve is to be shrink-fitted over a brass shaft whose diameter is 3.219 cm at 0°C. To what temperature must the sleeve be heated before it will slip over the shaft
Calculate the fuel utilization and infinite multiplication factor for a fast reactor consisting of a mixture of liquid sodium and plutonium
A 50.0-kg boy runs at a speed of 10.0 m/s and jumps onto a cart, what is the mass of the cart
Calculate the gradient of V in each region
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