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A proton, of mass m, at rest, is struck head-on by an alpha-particle (which consists of 2 protons and 2 neutrons) moving at speed v. If the collision is completely elastic, what speed will the alpha-particle have after the collision? (Assume the neutron's mass equals the proton's mass.)
A proposed space station includes living quarters in a circular ring 54.5 m in diameter. Atwhat angular speed should the ring rotate so the occupants feelthat they have the same weight as they do on Earth?
A certain current on passing through a galvanometer produces a deflection of 100 divisions. The galvanometer resistance would be
Neglecting the mass of the rod, determine the initial compression of the spring so that the rod and mass reach the opposite vertical position with zero tension or compression in the rod.
A horizontal pipe carries oil whose coefficient of viscosity is0.00012 N·s/m2. The diameter of the pipeis 3.7 cm and its lengthis 53 m. What is the volume flow rate in this case
What is the angle between the velocity vector and the x axis an points (x, y) = (5,0), (5,5), and (0,5)?
An astronaut living at a space station is in a constant state of free fall- the only force exerted on her and on the space station is the gravitational force due to the Earth. How can an astronaut determine her mass while on an extended stay in sp..
A cylindrical piston sits on top of hydraulic fluid that exerts a force of 240 N on the piston. Find the magnitude of the net force on the piston
A block is sent up a frictionless ramp along which an x axis extends upward. The figure below gives the kinetic energy ofthe block as a function of position x; the scale of the figure's vertical axis is set by Ks =34.0 J.
A copper rod 1.2 centimeter in diameter and 27 centimeter long is located across a voltage of 24.0 Volt. Compute the drift speed of the electrons in this rod
A D6AC steel (at room temper- ature) plate is loaded to a gross- area stress sg = 0.50 Sy . The dimensions for the thick plate are t = 1 in., 2w = 8 in., a/2c = 0.25, and 2c = 1 in. Calculate the center crack depth, a, and determine if the pla..
A railroad car of mass 2.00 x 10^4 kg is traveling north 6.00 m/s and collides with a railroad car of mass 1.50 x 10^4 kg traveling south 4.00 m/s, Find the velocity of railroad cars if the lighter car is intially at rest
A person pushes the shopping cart with a force of 100 N acting down at 45 degrees. Of the cart travelled at a constant speed of 1.00 meters per second what is the value of combined retarding force acting horizontally on the cart due to friction an..
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