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A quantity of gas in a piston cylinder has a volume of 0.544 m3 and a pressure of 200 Pa. The piston compresses the gas to 0.126 m3 in an isothermal (constant-temperature) process. What is the final pressure of the gas? Pa A periodic wave has a frequency of 8.9 Hz. What is the wave period? ?
An arrow is shot off the top of a bridge of unknown height. The speed of the arrow at launch is known to be 30.0 m/s. How tall is the bridge
Orb spiders make silk with a typical diameter of 0.15 .A typical large orb spider has a mass of 0.50. If this spider suspends itself from a single 12-cm-long strand of silk, by how much will the silk stretch
The 80-lb boy and 60-lb girl walk towards each other with a constant speed on the 300-lb cart. find the distance the cart has traveled at the instant the boy and girl meet
A mass spectrometer is used to examine the isotopes of uranium. What is the distance between the impact points formed on the photographic plate by singly charged ions of 235U and 238U
One of the many isotopes used in cancer treatment is gold 19879Au, with a half-life of 2.70 days. Determine the mass of this isotope
The ammonia molecule NH3 has a permanent electric dipole moment equal to 1.47 D, where 1 D = 1 debye unit = 3.34 x 10-30 C-m. find the electric potential in volts due to an ammonia molecule
A long, straight wire carrying a current of 3.00 A is placed along the axis of a cylinder of radius 0.500 m and a length of 2.00 m
question1an airplane is flying horizontally with speed 1000 280 while an engine falls off. neglecting air resistance
Water flows over a section of Niagara Falls at a rate of 1.07 × 106 kg/s and falls 40 m, How many 70 W bulbs can be lite with this power
As you walk away from a vertical plane mirror, your image in the mirror
The pilot of an aircraft wishes to fly due west in a 34.60 km/h wind blowing toward the south. The speed of the aircraft in absence of a wind is 145 km/h.
Find the temperature rise of the bullet assuming the impact occurs so rapidly that the impact process can be considered to be adiabatic. For lead, use fu = 0.0130(T) in Btu/lbm, where T is in °F or R.
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