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A block is connected between two springs on a frictionless, horizontally level track. The other end of each spring is respectively anchored to a vertical pin set at opposite ends of the track. If the spring constants are determined to be 3.00 N/m and 1.60 N/m, and the period of oscillation for the block when slightly displaced from equilibrium point is 0.600 s, what is the mass of the block?
suppose that earth was formed as molten rock at some very high temperatures. estimate the time for the earth to cool to
A bullet of mass 10.1 g is fired into an initially stationary block and comes to rest in the block. How much kinetic energy is lost
In 1990 Walter Arfeuille of Belgium lifted a 281.5-kg object through a distance of 17.1 cm using only his teeth. How much work was done on the object by Arfeuille in this lift, assuming the object was lifted at constant velocity?
Three moles of nitrogen gas,N2, at 31.0°C arecontained in a 19.5 L cylinder. Find the pressure the gas exerts on the cylinder walls
A 6kg block, starting at rest, is pulled up a ramp by a motor coiling a rope such that the tension is 60N. How much energy is supplied by the motor to move the block up the ramp
A single circular loop piece of copper wire has a radius (r) of 12 cm. What is the average electrical energy dissipated in the resistance of the wire
a lens for a 35- camera has a focal length given by 46 .how close to the film should the lens be placed to form a
Capacitors C1=10\muF and C2=25\muF are each charged to 25V , then disconnected from the battery without changing the charge on the capacitor plates. What is the potential difference across each capacitor
find the net force acting on a 2.50 c charge placed at the origin from 3 equal charges of -1.25c placed at the
A 2.30-kg object attached to a spring moves without friction (b = 0) and is driven by an external force given by the expression F = 3.40sin (2pi*t), where F is in newtons and t is in seconds. The force constant of the spring is 35.0 N/m.
Two parallel plates each of area 7.00 cm^2 are seperated by 3.50 mm of water The electric field between the plates has a magnitude of 2290 N/C, what is the charge stored on each plate
A stick is resting on a concrete step with 2/5 of its length hanging over the edge. A single ladybug lands on the end of the stick hanging over the edge, and the stick begins to tip. obtain the magnitude of the angular acceleration of the stick
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