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A 0.500 kg stone is moving in a vertical circular path attached to a string that is 75.0 cm long. The stone is moving around the path at a constant frequency of 2.20 rev/sec. At the moment the stone is overhead, the stone is released. The magnitude and direction of the velocity of the stone when it leaves the circular path is.
Two narrow slits 0.204 mm apart are illuminated by light of wavelength 580. nm. The light falls on a screen 1.48 m away from the slits. What is the angular seperation between adjacent maxima
A rope attached to a 20.0kg wood sled pulls the sled up a 20.0? snow-covered hill. at what value of the tension does the box slip
A satellite is in a circular orbit around an unknown planet. The satellite has a speed of 1.19 x 104 m/s, What is the orbital speed of the second satellite
35MW of power at 45kV (rms) arrives at a town from a generator via 5.0? transmission lines. Calculate the emf at the generator end of the lines
A 6,000 lb car is traveling SW at 40 mph. it is hit by another car that weighs 7,000 lb and is traveling NNE at 50 mph. What is the speed and direction of the cars immediately after the collision
When point charges q1 = +7.7 µC and q2 = +5.7 µC are brought near each other, Determine the distance between the charges
Six mass pieces of 100g each are placed on a mass holder of 140g which is hung from a string. Analyse the tension in the string.
Consider a game of billiards. The cue ball has an initial speed v0 before it strikes the eight ball which was previously at rest, Find the nal speeds of both the cue ball and the eight ball, assuming that the collision was perfectly elastic
A contact lens is made of plastic with an index of refraction of 1.58. The lens has an outer radius of curvature of +1.99 cm, What is the focal length of the lens
A 208.3 gram pendulum bob on a 1.92 meter long string is pulled to a height above its lowest position such that it makes an angle of 19.0 degrees with the vertical. Determine the speed of the pendulum bob
The best laboratory vacuum has a pressure of about 1 × 10-18 atm, or 1.010 × 10-13 Pa. How many gas molecules are there per cubic centimetre in such a vacuum at 293K.
An ideal gas at 17.8 °C and a pressure of 1.66 x 105 Pa occupies a volume of 3.22 m3. calculate How many moles of gas are present
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