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Determine the speed of a 1.00 x 106 kilogram particle of dust that has the same momentum as a proton moving at 0.999c.
A sprong-loaded toy gun shoots a 20g plastic ball. What is the launch speed if the sprong constant is 3.9×10 4 N/m 3 and the sprong is compressed 14cm ? Suppose the barrel is frictionless.
The Sun produces energy by nuclear fusion reactions in which matter is converted into energy. We can gauge that the Sun produces energy at the rate of3.80×1026 W. How many tons of matter does the Sun lose each second?
A uniform disk of mass 4m is rotating an a plane parallel to the ground with angular frequency of 12 rad/sec. What fraction of kinetic energy was lost
A circular loop of wire 0.2 m in diameter is placed with its normal at an angle of 30° to the direction of a uniform 0.14 T magnetic field. What emf appears in the loop
An object with a mass of 0.527kg is attached to a long horizontal spring with a constant of 52.6kg/s2. At small angles with the same object, what length is required for a pendulum to have the same period
Under certain conditions, the human body can withstand an acceleration of 10 g's. What is the net force (in Newtons) acting on a person
A 0.13 m segment of wire lies along the y-axis and carries a current of 3.8 A in the negative y direction. What is the force (magnitude and direction) on the segment of wire due to the magnetic field
A van de Graaff generator consists of a conducting sphere of radius 20 cm supported on a long insulating tube. What is the electric field at the surface of the sphere
A research Van de Graaff generator has a 3.80 m diameter metal sphere with a charge of 1.06 mC on it. What is the electric potential on the surface of the sphere
Find the focal length of a glass lens that has an index of refraction equal to 1.58, a concave surface that has a radius of curvature of magnitude 104 cm, and a convex surface
A small ball is attached to one end of a spring that has an unstrained length of 0.188 m. The spring is held with the other end, and the ball is whirled around in a horizontal circle at a speed of 2.91m/s. The spring remains nearly parallel to the gr..
A dolphin swims near the sea surface 350 meter west, then 200 meter northwest, and then dives below the surface and swims an additional distance in an unknown direction. Determine the dolphin displacement during the dive
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