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The position of a hydrogen atom (m=1.7x10-27) isknown to within 2.0x10-6m. What is the minimumuncertainy in the atom's velocity?
Suppose the moon were held in its orbit not by gravity but by a massless cable attached to the center of the earth. What would be the tension in the cable
At the end of an amusement park ride, you want the gondola to stop without the acceleration exceeding 2 g's. what is the maximum allowed braking force
A 2.5 mol sample of helium gas initially at 300 K and 0.400 atm is compressed isothermally to 1.30 atm. Note down that the helium behaves as an ideal gas.
A uniform rod of mass m and length l is kept vertical with the lower end clamped. What wil be the linear speed of the free end at this instant
Suppose that 0.0025 m^3 of gas in a cylinder is compressed by a piston down to 0.001 m^3 while 675 J of heat flows out of the gas. what was the change in its internal energy
A small cube, s=0.25m, sits on a surface where a uniform electric field of 250.0 N/C is directed downward at a 35.00 angle to the horizontal, Find the flux through either of the two sides for which flux is maximum
Two divers jump from a 5-m platform. One jumps upward at 1.90m/s , and the second steps off the platform as the first passes it on the way down. By how much does the first diver hit the water first (seconds)
A weightlifter stands up at constant speed from a squatting position while holding a heavy barbell across his shoulders, Draw a free-body diagram for the weight lifter
Two infinite lines of charge lie in the x-y-plane, parallel to the y-axis. Line 1 has linear charge density ?1 = 4.2 ?C/m and passes through x = -3.5 cm. What is the flux through the cube
With brakes fully applied, a 1670 kg car deccelerates from a speed of 77.0 km/hr. What is the change in the kinetic energy of the car
A certain groove in a phonograph record moves past the needleat 30 cm/s. If the wiggles in the groove are 0.1 mm apart, what is the frequency of the sound that is produced
What is the range of wavelengths for FM radio (88 MHz to 108 MHz) and AM radio (535 kHz to 1700 kHz)? (answer: for FM: 2.78m to 3.4m, for AM: 176m to 561m)
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