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To balance a 40 kilogram automobile wheel and tire, a mechanic must place a 55 gram lead weight 24 centimeter from the center of the wheel. When the wheel is balanced, its center of mass is exactly at the center of the wheel. Obtain how far from the center of the wheel was its center of mass before the lead weight was added?
A cylinder of mass 6.6 kg and radius 0.10 m rolls along a level floor. Its center of mass has a speed of 0.8 m/s. Find the kinetic energy of rotation
A car of mass M = 1100 kg traveling at 45 km/hour enters a banked turn covered with ice. The road is banked at an angle theta, and there is no friction between the road and the car's tires.
A racquetball with a diameter of 5.6 cm and a mass of 42 g is cut in half to make a boat for American pennies made after 1982. The mass and volume of an American penny made after 1982 are 2.5 g and 0.36 cm3. How many pennies can be placed in the r..
A person pushes a 16.0 kg shopping cart at a constant velocity for a distance of 18.0 m. What is the magnitude of the force that the shopper exerts
As part of a safety investigation, two 1700kg cars travelling at 25 m/s are crashed into different barriers. Find the average forces exerted on (a) car that hits a line of water barrels and takes 1.3 seconds to stop, and (b) car that hits a concrete ..
The first and second electron shells of an element are filled and there are five electrons in the third electron shell
A 2.0 kg ball moving with a speed of 3.0 m/s hits, elastically, an identical stationary ball as shown. If the first ball moves away with angle 30° to the original path
A turtle ambles leisurely-as turtles tend to do-when it moves from a location with position vector r1,x = 1.49 m and r1,y = -2.77 m in a lettuce garden to another location, find the magnitude of the turtle\'s average velocity
A vessel which contains an ice-water mixture at 0C is in thermal contact with a water-steam mixture at 100 C. how many grams of ice melts
A small crack occurs at the base of a 15.0 m high dam. Theeffective crack area through which water leaves is 1.30 x 10^-3m^2. Ignoring viscous losses, what is the speed of water flowing through the crack?
Kim has a far point of 29 cm. If she wants to use glasses of power -3.99 D to correct her vision. How far from her eyes should the glasses be put
The electric field of a sinusoidal electromagnetic wave obeys the equation E=(375V/m)cos[(1.99×107rad/m)x+(5.97×1015rad/s)t]. What is the amplitude of the magnetic field of this wave
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