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Tectonic plates are large segments of the earth's crust that move slowly. Suppose one such plate has an average speed of 4.0 cm per year.
(a) What distance does it move in 86 seconds at this speed in meters?
(b) What is its speed in miles per million years?
A block of mass 2.7 kg being released from rest on a 1m frictionless plane, inclined at an angle of 40 degree. The block sided down the inclined and struck second block mass of 3.7 kg. If the two blocks stick together, with what speed would they move..
The following data are obtained from a Boyle's law experiment: P1 = 113 kPa, T = 300. K, V1 = 5.00 10-5 m3. Calculate the volume occupied by the gas
44.3 kg of ice is melted into water then raised to a temperture of 354.8 K. How much energy is needed to complete this process
A steel spoked motorcycle wheel without the rubber tire is rotating by angular speed of 27.3 rad/s. The temperature of the wheel changes from 10 degrees Celsius to 210 degrees Celsius.
Inside a cart that is accelerating horizontally at acceleration ~a, there is a block of mass M connected to two light springs of force constants k1 and k2
As instrument used for measurement the depth of oceans sends ultrasonic signals to the bottom of the ocean. Obtain the depth of the ocean at location of the experiment
a mass is attached to a vertical spring and bobs up and down between points a and b. where is the mass located when its
A car is safely negotiating an unbanked circular turn at a speed of 18 m/s. The road is dry, and the maximum static frictional force acts on the tires. find to what speed must the driver slow the car
A piece of cheese with a mass of 1.11 kg is placed on a vertical spring of negligible mass and a force constant k= 2000N/m that is compressed by a distance of 17.9cm
A meter stick and a two-meter stick have the same thicknesses and density. They are both placed upright and balancing on one end. Which one hits the ground first
When a quarterback throws a quick pass, he pushes on the ball with constant horizontal force for 0.10 sec, while his hand moves forward 0.80 m. find the work done on the ball by the quarter back
Some object moves 220.0 m at an angle of 42° north of west. During this motion, a 68.0 N force acts on the same object, doing +5460.0 J of work on the object. what is this force's orientation
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