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Two bicycle tires are set rolling with the same initial speed of 3.40 m/s along a long, straight road, and the distance each travels before its speed is reduced by half is measured. One tire is inflated to a pressure of 40 psi and goes a distance of 18.2 meter; the other is at 105 psi and goes a distance of 93.8 meter. Suppose that the net horizontal force is due to rolling friction only and take the free-fall acceleration to be g = 9.80 m/s2. Find the coefficient of rolling friction for the tire under low pressure?
Three vectors have the same magnitude of 12 units. They make angles of ?, 2 times ? and 3 times ? with respect to the x axis, where ? = 16 o. What is the magnitude of their vector sum
A 2.0 gram particle moving at 5.0 m/s makes a perfectly elastic head on collision with a resting 1.0 gram object. Calculate the speed of each particle after the collision
On a banked race track, the smallest circular path on which cars can move has a radius of 112m, while the largest has a radius of 165m, as the drawing illustrates. The height of the outer wall is 18m. The largest speed at which cars can move on thi..
An anchor, made of cast iron of bulk modulus 60.0 x 10^9 Pa and ofvolume 0.230 m^3, is lowered over the side of the ship to thebottom of the harbour where the pressure is greater than sea levelpressure by 1.75 x 10^6 Pa. Find the change in the volume..
A solid conducting sphere of radius 2.00cm has a charge 15.00μC. A conducting spherical shell of inner radius 4.00cm and outer radius 5.00cm is concentric with the solid sphere and has a total charge of -7.00μC. (Take radially outward as the posit..
question1a long solenoid has 100 turnscm and carries a current i. an electron moves within the solenoid in a circle of
An ideal gas in a container is at a temperature of 70.6°C. What is the average translational kinetic energy of a gas molecule in the container
Calculate the cost of running the light bulb you used in lab at 12 volts for one year. Calculate the cost of a MacBook pro labtop to be left on for one year
A two-slit pattern is viewed on a screen 1.12 m from the slits. what is the total width of the central bright fringe
an other frame moves with a speed of 0.6 relative to the home frame. an object at rest in the home frame has a length
with what minimum speed must you toss a 190 g ball straight up to hit the 10 m-high roof of the gymnasium if you
the moon has a mass of 7.36 x 1022 kg and a radius of 1.74 x 106 m.a what is the acceleration due to gravity on the
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