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A 1.7kg block oscillates on a spring with spring constant 16N/m . At t = 0 s the block is 20 cm to the right of the equilibrium position and moving to the left at a speed of 100 cm/s.
Determine the period of the oscillation.
Three capacitors, C1 = 3.30 µF, C2 = 7.26 µF, and C3 = 1.23 µF, are connected in series, What is the charge on the positive plate of the capacitor C2
A near-sighted person's eyeglasses has a focal length of ? 22.0 cm, and the lens is 1.8 cm from the eye. If the person switches to contact lenses that are placed directly on the eye, what should be the focal length of the corresponding contact len..
An 82 kg parachutist descends through a vertical height of 350 m with constant speed. Find out the increase in entropy produced by the parachutist; assume the air temperature is 21 degrees C.
The lightbulb in the circuit shown in the figure(Figure 1) has a resistance of 14? and consumes 9.7W of power, find speed of the rod
An automobile emits 20 lbs of CO2 per gallon of gasoline burned. If the U.S. burns 200 million of gallons of gasoline every year, how many billions of lbs of CO2 are emitted every year?
Find density of the object
A projectile is launched from the top of a cliff above level ground. At launch the projectile is 35 meters above the base of the cliff and has the velocity of 50 meters per second at an angle 37° with horizontal. Air resistance is negligible.
What is the smallest probable displacement of shopper.
A cylinder contains a piston on each side of which is one kilomole of an ideal gas. The walls of the cylinder are diathermal, compute the change in the Helmholtz potential
The orbit of this second satellite has a radius of 8.45 x10^6 m. What is the orbital speed of the second satellite.
Two forces are acting on an object: 8 N [N22.1 ºE], and 5 N [S 34.8 ºE]. What is the magnitude (in N) of the resultant force acting on the object.
As part of the safety investigation, two 1400 {rm kg} cars travelling at 23 {rm m/s} are crashed into different barriers. Find the average forces exerted on (a) car that hits a line of water barrels and takes 1.7 {rm s} to stop, and (b) car that hits..
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