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Two trains are passing against each other. train A is going north with velocity of 76 km/hour. train B is going south with velocity of 152 km/hour
When a high-speed passenger train traveling at 161 km/h rounds a bend, the engineer is shocked to see that a locomotive has improperly entered onto the track
When the counterweight has a speed v, the pulley has an angular speed w= v/R. Determine the total angular momentum of the system about O.
A uniform rod is resting along the x-axis on a frictionless table with its center of mass at the origin.
A friend tells you that since his car is at rest there are no forces acting on it. How would you reply?
A thin uniform rod of mass 400 g and length 60.0 cm is suspended from a pivot and is free to rotate about it in any direction.
A ball with a mass of 500g is thrown perpendicular to the door with a speed of 20m/s and hits the door 60cm from the hinged side.
The rectangular swimming pool measures 20 feet by 70 feet and contains a path of uniform width around the four edges.
A train travels due south at 60 m/s. It reverses its direction and travels due north at 60m/s. what is the change of velocity of the train?
A bicycle travels 141 m along a circular track of radius 15 m. What is the angular displacement in radians of the bicycle from its starting position?
A uniform rod of mass m_1 and length L rotates in a horizontal plane about a fixed axis through its center and perpendicular to the rod.
What are the two main differences in the description of the motion of the electron in this ion compared to that in in H-atom.
A particle of mass m is constrained to move between two concentric, impermeable spheres of radii r = a and r = b.
Initially a total mass of a rocket is M, of which kM is the mass of the fuel. Starting from rest, the rocket gives itself a constant vertical acceleration
Consider a head-on elastic collision between two particles. Since the collision is head-on, the motion is confined to a single straight line
Measurements are being performed using a hockey puck on a large disk with a smooth, frictionless, horizontal, flat surface.
Use units such that G = M = c = 1, and let e = -.02, l = 4.5. Let the initial position be given by let the initial position be given by r(t=0) = a, ?(t=0) = 0
The rectangular and polar coordinates of a point are(x,y) and (r,θ), where x=6 and θ =27 degrees. Find value of r and value of y.
A particle of mass m is moving on a frictionless horizontal table and is attached to a massless string, whose other end passes.
In solving use the coriolis accel concept and i j k vector coordinates.
A 2.0-kg hoop rolls without slipping on a horizontal surface so that its center proceeds to the right with a constant linear speed of 6.0m/s.
Explain your reasoning, particularly any physical principles involved, and any approximations you are making.
At t=0, wedge A starts moving to the right with a constant acceleration of 100 mm/s^2 and block B starts moving along the wedge toward the left
The ski boat's jet propulsive system draws water in at point A (at the middle of the bottom of the boat) and expels it at B (at back of boat)
What must the energy of each neutron in a beam of neutrons be in order to resolve the same size object?