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A car slows down with constant acceleration from a speed of 111.6 km/h to 43.20 km/h over a distance of 380.0 m. How long does it take?
The flat circular disc rotates about a vertical axis through O with a constant angular velocity of 240rpm.
In order to stretch a spring 0.1m from equilibrium, you have to apply a force of 2N. What is the spring constant of the spring?
The pressure on the top of the mountain Everest is about 0.35 atm. Calculate the boiling temperature of water at this location.
Consider the classical motion of a pendulum bob which, for small amplitudes of oscillation, moves effectively as a harmonic oscillator along a horizontal axis.
Four massless rods of length L are hinged together at their ends to form a rhombus. a particle of mass M is attached at each joint.
At any given angular velocity, theta, there will be 'equilibrium' values for the positions of m1 and m2. Find these values r zero and l zero.
Find the associated constants of the motion for two parameter transformations given above.
Can you please explain me some more problems on principle of moments, balancing see saw and forces acting on a bridge.
A coin stands upright at an arbitrary point on a rotating turntable, and spins (without slipping) at the required angular speed.
A particle of mass m is free to slide on a thin rod. The rod rotates in a plane about one end at constant angular velocity w.
What is the minimum radius of the circle, so that the normal force exerted on the pilot by his seat never exceeds three times his weight?
A 68 kg crate is dragged across a floor by pulling on a rope attached to the crate and inclined 15 degrees above the horizontal.
A mass M of 2.71 kg is attached to the end of a string whose length is 0.640 m, and is whirled in a vertical circle in the same radius about a fixed point.
What is the magnitude of the acceleration at the point of maximum extension of the spring?
A protractor is made so that the edge of its scale is 7.5 cm from the center point. If the scale is marked in degrees, how far apart are the marks along the edg
A 12-in. diameter phonograph record rotates about its center by one-quarter turn.How far has a point on the rim moved?
Calculate the centripetal force on a 2000-kg automobile rounding a curve of 175 m radius at a speed of 50 km/h.
If M=0, theta=arccos(2/3) where theta is the angle between the right, for example and the pearl at the top of the circle (or the ring).
How many revolutions does the merry-go-round make as it stops?Before slowing, what is the speed of a child on the rim? (in m/s)
A car of mass M traveling at speed v enters a banked turn covered with ice. The road is banked at an angle theta, and there is no friction.
A roller coaster ride at an amusement partk lifts a car of mass 700kg to point A at a height of 90 m above the lowest point on the track.
A small block with mass m rests on a frictionless horizontal tabletop a distance r from a hole in the center of the table.
After reaching the other shore, how fast, to the nearest tenth of a m/s, must skater 1 run around the lake to meet skater 2 at the opposite shore?
A race car is traveling at constant speed around a circular track. What happens to the centripetal acceleration of the car if the speed is doubled?