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Two metal blocks are attached by a cable as shown in the figure below and are submerged at rest near the surface of a lake. If the volumes are V1 = 2.2 m3 and V2 = 1.6 m3, what is the total buoyant force on the two blocks?
Two loudspeakers are placed next to each other and driven by the same source at a frequency of 570Hz. A listener is in front of the speakers and on the line separating them.
A partially evacuated airtight container has a tight-fitting lid of surface area 75.4 cm2 and negligible mass. If the force required to remove the lid is 384 N and the atmospheric pressure is 1.00 × 105 Pa, what is the air pressure in the containe..
A camera flash delivers 2.9 kW of light power for 1.3 ms. Find the total momentum carried by the flash
A rectangular loop is located next to a long straight wire carrying a current of 30.0 A. What is the direction of the net force on the loop
The intensity of the sound wave from a jet airplane as it is taking off is 114 W/m2 at a distance of 4.3 m. What is the intensity of the sound wave
An object has a total energy of 5.60 × 1015 J and a kinetic energy of 1.40 × 1015 J. find the magnitude of the object's relativistic momentum
he resolving power of a microscope depends on the wavelength used. what minimum kinetic energy is required for the electrons
A 500g rock on a 80 cm long string is swung in a vertical circle 300 cm above the ground. What is the speed of the ball at this point
It's possible to use the ideal-gas law to show that the density of the earth's atmosphere decreases exponentially with height, What is the weight of a column of air
If a force of 300N is exerted upon a 60 kg mass for 3 seconds, how much impulse does the mass experience
A photon with an initial wavelength of 1.150×10-11 m Compton scatters from an electron which is initially at rest. What is the energy of the incoming photon
a 3.95 mol sample of an ideal diatomic gas expands adiabatically from volume of 0.1820 m3to 0.710m3, Determine the initial and final temperatures
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