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A bullet with mass 4.85 g is fired horizontally into a 1.965-kg block attached to a horizontal spring. The spring has a constant 6.29 102 N/m and reaches a maximum compression of 6.40 cm. (a) Find the initial speed of the bullet–block system. m/s (b) Find the speed of the bullet. m/s
A block with mass m = 16.0 kg rests on a frictionless table, What distance does the spring need to be compressed so that the block will just barely make it past the rough patch when released
The index of refraction for red light in water is 1.331 and that for blue light is 1.340. what are the underwater angles of refraction for the blue and red components of the light
Liquid nitrogen has a boiling point of 77.3 K and a latent heat of vaporization of 2.01 105 J/kg. How many kilograms of nitrogen are boiled away in a period of 5.00 h
A glass window pane has an area of 3.0m^2 and a thickness of .60 cm. how much heat flows through the window per hour
When a tuning fork of frequency 360 Hz is held above a tube filled with water the resonances are found when the water level is at 25cm and 75cm
A 0.527 kg metal cylinder is placed inside the top of a plastic tube, the lower end of which is sealed off by an adjustable plunger, what is the initial acceleration of the metal cylinder
The force of the wind on the sails of a sailboat is 410 N north. The water exerts a force of 240 N east. If the boat (including crew) has a mass of 330 kg, illustrate what are the magnitude and direction of its acceleration?
An airplane with a speed of 73.9 m/s is climbing upward at an angle of 71.7 ° with respect to the horizontal. When the plane's altitude is 555 m, determine the angle of the velocity vector of the package
An air mass has a temperature of 68 F at 970 hPa with a mixing ratio of 5 g/kg. Without any condensation or mixing, the air now has a temperature of 50 F and a pressure of 750 hPa. Find the initial and final values of:
The frequency doubled output of a Nd3+ YAG laser has a wavelength of 532nm. If each pulse of light has a total energy of 0.550J and the repetition rate of the laser is 30Hz, how many photons does the laser emit at 532nm in 3 minutes.
During a sleet storm, the roads are covered with frictionless ice. A car of mass 1000 kg traveling east at a speed of 6m/s slams into a stationary truck of mass 2000kg. Determine the velocity of the truck just after the collision
In the Millikan oil-drop experiment, Estimate the radius of an oil drop of density 839 kg/m3 for whichits weight could be balanced by the electric force of this field on one electron
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