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A 100 g block is launched by compressing a spring of constant k=200N/m a distance of 12 cm. The spring is mounted horizontally, and the surface directlyunder it is frictionless. But beyond the equilibrium position of the spring end, the surface has coefficient of μ = 0.25 . This frictional surface extends 80 cm followed by a frictionless curvedrise as shown. After launch, where does the block finally come to rest? (Measure from the leftend of the frictional zone).
a particle of mass 0.350 kg is attached to the 100 cm mark of a meter stick of mass 0.150 kg. the meter stick rotates
A disk-shaped merry-go-round of radius 2.63 m and mass 155 kg rotates freely with an angular speed of 0.744 rev/s. find the initial and final kinetic energies for this system
0.16mol of argon gas is admitted to an evacuated 40cm3 container at 10 ?C. The gas then undergoes an isochoric heating to a temperature of 500 ?C
The biggest asteroid (Asteroid 2005 YU55 400 m wide) to cruise by the Earth in 35 years made its closest approach on Tuesday November 11/08/2011 at 6:28 p.m. (PST). Find the acceleration and speed of the asteroid in its circular orbit
A 69-kg sky diver jumped out of an airplane at an altitude of 0.70 km. How much energy was dissipated by air resistance during the jump
When 1g of natural gas is burned in a stove, about 56kJ ofheat is produced. How much mass is lost in the process
A 665 kg elevator starts from rest. It moves upward for 3.22 s with constant acceleration until it reaches its cruising speed, 1.84 m/s
when the wavelength of an incident radiation exceeds 560nm the emission of photoelectrons from a surface ceases. what
For a very simple model, consider a solid iron sphere 2.00 cm in radius. Assume the temperature is always uniform throughout its volume. Find the energy of one photon
A merry-go-round with moment of inertia of 550 kg m 2 has a boy of mass 45 kg riding in the center of the merry-go-round with an initial angular velocity of 9 revolutions per minute. The boy then travels from the center to the outside rim of the m..
A 500 g wooden block is lowered carefully into a completely full beaker of water and floats. What is the weight of the water, in newtons, that spills out of the beaker
if the speed of the train is 79 kmh how long does it take the car to pass the train?how far will the car have traveled
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