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Initially, the translational rms speed of a molecule of an ideal gas is 460 m/s. The pressure and volume of this gas are kept constant, find the final translational rms speed of the molecules
A cylindrical glass of water (H2O) has a radius of 4.38 cm and a height of 12.3 cm. The density of water is 1.00 g/cm3. How many moles of water molecules are contained in the glass
The box of a well-known breakfast cereal states that one ounce of the cereal contains 107 Calories (1 food Calorie = 4186 J). what is the weight of the heaviest barbell
The planet saturn has a mass of 5.69x10^26kg and a volume of 8.01x10^23m^3. Would Saturn sink or float in water Explain
The middle C string on a piano is under a tension of 911 N. The period and wavelength of a wave on this string are 3.82 ms, Find the linear density of the string
When a 290 g piece of iron at 182°C is placed in a 100 g aluminum calorimeter cup containing 250 g of glycerin at 12°C, What is the specific heat of glycerin
A device used in radiation therapy for cancer contains 6.20×10-1 g of cobalt 2760Co (59.9333819 u). Determine the activity of the radioactive material
The isotope 88224Ra of radium has a decay constant of 1.19×10-6 per second. What is the half-life (in days) of this isotope
In 9.00 days the number of radioactive nuclei decreases to one-eight the number present initially
A proton has a speed of 0.85c. FIRST Calculate the rest energy of the proton, Calculate the kinetic energy of the proton
Suppose one gallon of gasoline produces 1.09×108 J of energy, and this energy is sufficient to operate a car for 21.7 miles. how many miles could the car go on a single tablet
A uniform disk with mass m = 9.27 kg and radius R = 1.42 m lies in the x-y plane and centered at the origin. What is the magnitude of the torque on the disk about the z axis due to F1
The terminals of a generator are connected to inductors. Inductor 1 is equal to 30.0 mH and the second inductor has a value of 60.0 mH. What is the value of the third inductor
A speeder is pulling directly away and increasing his distance from a police car that is moving at 25 m/s with respect to the ground. Find the speeder's speed with respect to the ground
An unstable particle with a mass equal to 3.34 multiplied by 10-27 kg is initially at rest. Find the masses of the fragments
A potter's wheel (a solid, uniform disk) of mass 6.0kg and radius 25cm spins about its central axis with an angular speed of the wheel is 15rpm. Find the new angular speed of the system
Given that the radius of the Moon is roughly one-quarter that of the Earth, find the mass of the Moon in terms of the mass of the Earth
Calculate the gravitational force exerted on the satellite by the Earth when it is in orbit
Find the direction of the net force exerted on the Sun. Give the direction relative to the line connecting the Sun and the Moon
9 grams of Alum at 200 C and 21 grams of Copper anre dropped into 50 cm^3 of Ethyl Alcohol at 15 C. what was the intitial temp of the Copper
A 250 gram ice cube at -10 C is placed in a Alum cup whose initial temp is 70 C. what is the mass of the cup
The sound level 23 m from a loudspeaker is 65 dB. What is the rate at which sound energy is produced by the loudspeaker
some types of glass have a range of indices of refraction of about 1.4 to 1.7. What is the range of the polarizing angle
A helium-filled weather balloon has a 0.90 m radius at liftoff where air pressure is 1.0 atm, What is the pressure at the airborne location
A metal bar is used to conduct heat. When the temperature at one end is 100 C and at the other is 20 C, what will be the rate of heat transfer