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A ball thrown in the x-direction at 4.5m/s from a tower that is 20m tall. Calculate the speed of the ball when it hits the ground. Also, determine the distance the ball lands from the tower.
A omega ?? (mass = 1672 MeV/c2) at rest decays into a kaon K? (mass = 493.7 MeV/c2) and a lambda ?0 (mass = 1115.7 MeV/c2): ?? ? K? + ?0, What is the total kinetic energy of the kaon and lambda
The coefficient of kinetic friction between a 20 Kg box and the floor is 0.40. How much work does a pulling force do on the box in pulling it 8.0 m at the constant speed? The pulling force is directed 390 above the horizontal.
Unpolarized light is incident upon two polarization filters that do not have their transmission axes aligned. If 18% of the light passes through this combination of filters,
A 0.300-m-long cylindrical capacitor consists of a solid conducting core with a radius of 1.00mm, Calculate the total charge of the capacitor
A 60 ohm resistor and a 40 ohm resistor are connected in parallel to a 120 Volt power supply. Determine the total resistance of the combination
A block slides down an inclined plane, starting from rest and being pushed with a constant acceleration of 4.60 m/s2 over the distance of 20.80 cm. It then decelerates at the constant rate of 1.03m/s2 (because of friction), until it again comes to..
For the infinite square well problem an electron spends 40% of its time in the n=3 state and 60% of its time in the n=5 state. What is the average energy of the electron
The two plates of a capacitor hold +8500 mC on the top plate and the same but opposite charge on the bottom plate when the potential difference is 220 Volt. Determine what is the capacitance in farads
a spherical ball hanging on a string on a smooth, frictionless wall. The mass of the ball is m, its radius is R, and the length of the spring is L. Find the normal force between the ball and the wall
A 6.0 ?F capacitor is connected in series with a 4.0 ?F capacitor and a potential difference of 200 V is applied across the pair. What is the potential difference across the 6.0 ?F capacitor
A thick-walled, non-conducting spherical shell has a positive uniform volume charge density p bounded by radii r1 and r2>r1. With V=0 at infinity, Find the net charge of the shell
The electric field strength 2.0 cm from a 14-cm-diameter metal ball is 51,000 N/C. What is the charge (in nC) on the ball
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