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A 12 kg block ( M) is released from rest on a frictionless incline that makes an angle of 28 degrees. Below the block is a spring that has a spring constant of 135000 N/m. The block momentarily stops when it compresses the spring by 5.5 cm. How far does the block move down the incline from its rest position to the stopping point?
A copper block is removed from a 300°C oven and dropped into 1.00 kg of water at 20.0°C. The water quickly reaches 26.5°C and then remains at that temperature. What is the mass of the copper block?
Starting from rest, a 96-kg firefighter slides down a fire pole. The average frictional force everted on him by the pole has a magnitude of 790 N, How far did he slide down the pole
A wire is formed into a circle having a diameter of 11.2 cm and is placed in a uniform magnetic field of 3.22 mT. Find the maximum torque on the wire
A point charge Qpt= 10nC is surrounded by an insulating material and stuffed inside a spgerical steel shell iwth inner radius R1=1cm and outer R0=2cm; What is the net charge of the steel shell
If a 0.20 kg ball falling with a velocity of 3.0 m/s makes a perfectly elastic collision with the floor, how much impulse will the floor place on the ball during the collision
Two identical, small insulating balls are suspended by separate 0.35-m threads that are attached to a common point on the ceiling, Determine the tension in the threads
Determine the magnetic force on an identical particle when it travels through the same magnetic field with a speed of 5.44 m/s at an angle of 32.2° relative to the magnetic field
Each of two small non-conducting spheres is charged positively, the combined charge being 40 mC. Determine the magnitude of the smaller of the two charges
A 20.0-kg sled is being pulled across a horizontal surface at a constant velocity. Determine the coefficient of kinetic friction
A 47.60 g golf ball is driven from the tee with an initial speed of 56.0 m/s and rises to a height of 28.4 m. (a) avoid air resistance and determines the kinetic energy of ball at its highest point. (b) What is its speed while it is 8.02m below it..
The invaders’ thermometer shows the temperature on earth to be 58 °I. Using logic similar to that in Example 1 in the text, illustrate what would this temperature be on the Celsius scale?
The rear end of an air conditioner dumps 1.2 * 10^7 J/hr of waste heat into the air outside a building. A fan assists in the removal of this heat. With what temperature does the air emerge
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