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A 20-kg object on a frictionless horizontal surface oscillating on a spring that has a force constant equal to 3.5 kN/m has a total mechanical energy of 0.60 J. (a) What is the amplitude of the motion?
a 3.20kg box that is several hundred meters above the surface of the earth is suspended from the end of a short
A girl is skipping stones across a lake. One of the stonesaccidentally ricochets off a toy boat that is initially at rest inthe water, What is the mass of the boat
A steady beam of alpha particles (q = + 2e)traveling with constant kinetic energy 18 MeV carries a current of 0.30 µA. If the beam is directed perpendicular to aplane surface, how many alpha particles strike the surface in 3.0s
the rest energy of a particle is 1 mev. when it travels at a speed of v with respect to an observer the kinetic energy
A fisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surface of the water. calculate How fast are the waves traveling
When a 6.0 µF capacitor is connected to a generator whose rms output is 26 V,the current in the circuit is observed to be 0.40 A. What is the frequency of the source?
Find out the magnitude of the vertical component of the velocity
discuss the effects of different floor angles on the distance up the incline that you will have to sit in a movie
what is the magnitude of one of the masses.Vertically polarized light passes through two polarizers, the first at 62rm {^circ} to the vertical and the second at 90 rm {^circ} to the vertical.What fraction of light gets through.
you have a 7.70 uf capacitor a 1250 resistor who are connected in series to a generator operating at 50 hz producing an
The heels on a pair of women's shoes have radii of 0.54 cm at the bottom. find the stress on each heel
A parachutist jumps out of an airplane and acceleratea with gravity to a maximum velocity of 58.8 m/s in 6.o seconds, From what height did the parachutist jump?
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