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Two separated weights, the first at 4.0 kilogram, the second at 6.0 kilogram, are connected by a cord running through them and on over the side of a horizontal table (through a pulley), and this cord is connected to a third weight (98 Newton) hanging over the side of the table. Obtain the acceleration and tension in the cord just before it reaches the pulley at the right of the corner of the table (just to the left of the pulley on the right hand side), if µk =0.35.
Work out the buoyant force due to the surrounding air on a man weighing 800 {rm N}. Imagine his average density is the same as that of water, and surrounding air temperature is 0 rm ^circ C.
If 18.35 mol of helium gas is at 11.6 degrees C and a gauge pressure of 0.371 atm. Calculate the temperature if the gas is compressed to precisely half the volume at a gauge pressure of 1.22 atm.
1000 gallons per minute of fluid flows through a 3 inch diameter pipe. what is the average velocity of the water
In 1976, Kitty Hambleton of the United States drove a rocket-enginecar to a maximum speed of 965 km/h. Suppose Kitty started at restand underwent a constant acceleration with a magnitude of 4.0 m/s2.
An oscillating LC circuit has a current amplitude of 8.00 mA, a potential amplitude of 250 mV, and a capacitance of 215 nF. What is the maximum energy stored in the capacitor
two waves traveling along a stretched string have the same frequency but one transports seven times the power of the
an earth satellite moves in a circular orbit 690 km above the earths surface. the period of the motion is 98.4min.a
Find the electric field energy density and the energy content for a spherical capacitor of radii r1 and r2 where they hold charges of q and -q
A 1.4 kilogram small particle similar to object moves in a plane with velocity components vx =25 m/s and vy =80 m/s, Find its angular momentum relative to the point (-2.0, -2.0) m at this same moment
X-rays are used for analyzing molecular structure. What is the frequency (in Hz) of X-rays that have a wavelength of ? = 13.3 nm
In proton-beam therapy, a high-energy beam of protons is fired at a tumor, What is the total charge of the protons that must be fired at the tumor to deposit the required energy
To monitor the breathing of a hospital patient, a thin belt (a 200-turn coil) is placed around the patient's chest. Suppose that the belt has a radius of 20cm and when the patient inhales, the belt expands to a radius of 20.5cm.
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