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A constant force F = 2.00 Ni + 3.00 Nj acts on a 5.00 kg object as it moves in a straight line from the position r1 = 1.00 m i + 1.00 m j to a position r2 = 4.00 mi - 1.00 mj . Determine the work done by the force during this motion.
A student is trying to decide what to wear. His bedroom is at 17.0°C. His skin temperature is 36.0°C, Find the net energy loss from his body by radiation in 10.7 min
A projectile is fired straight upward at 141 m/a. how fast is it moving at the instant it reaches the top of its trajectory? Assume in its place that it was fired upward at 45. What would be its speed at the top of its trajectory.
A large grinding wheel in the shape of a solid cylinder of radius 0.330 m is free to rotate on a frictionless, vertical axle, What is the mass of the wheel
The speed of an ion in a particle accelerator is doubled from 0.430c to 0.860c. determine the final relativistic momentum of the ion
If the lattice constant of the FFC structure is 4.75A, what is the surface density of atoms for a (100) plane
One of the most efficient engines built so far has the following characteristics: combustion chamber temperature = 1900°C, What is the actual efficiency of this engine
A spear fisherman is using m a laser rifle, he is standing in a stream 0.5m deep, if the laserstruck the water 5m out from the fisherman, how far was his feet from the fish
A 9.00 kg box hangs in static equilibrium. Find the tension in each rope. T1 on the left makes an angle of 15 degrees below the horizontal and is attached to the 9.00 kg box
A soot particle, originally neutral, gets charged in a process that removes 27 electrons. Find its resulting charge
The electric field of a plane electromagnetic wave is given by: Ex = 0, Ey = 0, Ez = 2.0 cos [0.6? x 1015 (t – y/c)], with all quantities in SI units.
A 500 g solid disk roles down an inclined plane 1 m long elevated by 10 cm. What is the kinetic energy of the disk at the bottom of the plane
Calculate the escape velocity for a planet that has twice the mass of Earth and is half the size of Earth
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