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Electrons in a photoelectric experiment emerge from an aluminum surface with a maximum kinetic energy of 1.3eV. What is the wavelength of the incident radiation?
A canal boat (mass=25,000 kilograms) is being towed at a uniform velocity v=3.10 m/s, Determine the magnitude and direction of the towing force
A supertanker (mass = 1.61E+8 kg) is moving with a constant velocity. Determine the magnitude of the resistive force exerted on the tanker by the water
A 4.7 kg block moving at 4.7 m/s makes a head-on elastic collision with a stationary block of mass 3.9 kg. Find the kinetic energy of the system after the collision
Two particles are fixed on an x axis. Particle 1 of charge 51.50 μC is located at x = -33.2 cm; particle 2 of charge Q is located at x = 10.10 cm. Particle 3 of charge magnitude 37.7 μC is released from rest on the y axis at y = 11.30 cm.
A string with a mass of 31 g and a length of 2 m is stretched under a tension of 67 N. How much power must be supplied to the string to generate a traveling wave that has a frequency of 51 Hz and an amplitude of 4 cm.
What is the total electric flux due to these two point charges through a spherical surface centered at the origin and with radius r3 = 2.70 m?
A rectangular block of wood floats in a calm lake. Show that, if friction is ignored, when the block is pushed gently down into the water and then released
In a mall, a shopper rides up an escalator between floors. At the top of the escalator, the shopper turns right and walks 11.72 m to a store. At what angle is the escalator inclined above the horizontal
A wooden block of mass 2kg, initially stationary is dragged by a force F with magnitude 20 N along a frictionless incline with an angle 0=30 degrees, What is the wooden block acceleration
Which physical parameter, more than any other, most probably controlled the early evolution of the planetary system and dictated the characteristics of the planets that eventually formed?
A fully charged 7.8 uF capacitor is connected in series with a 1.8×105 ohm resistor. What percentage of the original charge is left on the capacitor
A piece of wood is 0.600m long, 0.210m wide, and 0.08 m thick. Its density is 600kg/m3. find the mass of this volume of lead
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