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At t = 0 a block with mass M = 5 kg moves with a velocity v = 2 m/s at position xo = -.33 m from the equilibrium position of the spring. The block is attached to a massless spring of spring constant k = 61.2 N/m and slides on a frictionless surface. At what time will the block next pass x = 0, the place where the spring is unstretched?
0.60 kg of ice at -10oC is placed in 0.30 kg of water at50oC. How much liquid water is there when the system reaches thermal equilibrium?
A 20.0 kg floodlight in a park is supported at the end of a horizontal beam of mass 20.0 kg and length L that is hinged to a pole (beam and pole are perpendicular). A cable at an angle of 30.0 degrees with the beam helps to support the light. Find..
A blackhole is an object so massive that not even light can escape. If we were to condense the Earth into a black hole, what would the size of this black hole be?
Comet Halley has an orbital perios of 75 years and when it enters the inner Solar System, it passes within a few AU of the Sun. Determine the average distance of Comet Halley
A 10-kg bucket is lowered by a rope in which there is 63N oftension. What is the acceleration of the bucket
As an eager scientist on a hot summer day you wish to determine how much ice to buy to add to your cooler which is filled with 32 cans of soda which are warm at 87.7°F. how much ice needs to be added to your cooler
A child in a boat throws a 5.45-kg package out horizontally with a speed of 10.0 m/s. Calculate the velocity of the boat immediately after, assuming it was initially at rest
Two earth satellites are in parallel orbits with radii 6701 km and 6700 km. Find how long will it be until they are again 1 kilometer apart
a typical adult ear has a surface area of about 2.10 10-3 m2. the sound intensity during a normal conversation is
two blocks connected by a rod going down a 30.0 degree slope, bigger mass 3.30kg is first and the smaller 1.65kg is following. calculate the common acceleration of the blocks
A horizontal block-spring system with the block on a frictionless surface has total mechanical energy E = 49.2 J and a maximum displacement from equilibrium of 0.280 m.
The FM radio band covers the frequency range 88-108 MHz. If the variable capacitor in an FM receiver ranges from 11.4pF to 17.2pF , what inductor should be used to make an LC circuit
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