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Convert 25μ/s into a)m/s b)mi/h
The kinetic energy of a car of mass m moving with velocity vis E=(mv^2)/2. If m=1000kg and v=6m/s, compute E in a) kN(m) and b) lb(ft) A person weighs 30lbs on the moon, where g=5.32 ft/s^2. Determine that.
a) the mass of the person
b) the weight of the person on earth.
You took a job as a space station scientist. On a spacewalk you get separated from the station. At what speed will you move back toward the station
two 1.3kg masses are 1.2m apart (center to center) on a frictionless table. Each has + 9.2?Cof charge, What is the magnitude of the electric force on one of the masses
What is the response to the Naturalist concept that human personality, thought, and emotion are purely chemical and electrical reactions.
The magnitude of F is 306 newtons and it points at 93o measured counter clockwise from the positive x-axis. What is the y component (in newtons) of F.
Illustrate what is the potential energy for the child just as she is released, compared with the potential energy at the bottom of the swing? How much work does the tension in the ropes do as the child swings from the initial position to the bottom?
Use the worked example above to help you solve this problem. A ball is thrown upward from the top of a building at an angle of 30.0° to the horizontal, How long does it take for the ball to hit the ground
If, as is typical, each of them breathes about 500 {rm{ cm}}^3 of air with each breath, approximately what volume of air (in cubic meters) do these astronauts breathe in a year.
A small bulb is rated at 7.5 W when operated at 125 V. The tungsten filament has a temperature coefficient of resistivity a = 4.5 ? 10-3 / °C. What is the resistance of the filament (in ohms) at room temperature
A toroid having a 7.2 cm square cross section and inside radius of 22.8 cm has 170 turns of wire and carries a current of 1.8 A. What is the magnetic flux through the cross section
You have a string with a mass of 0.0141 kg. You stretch the string with a force of 9.09 N, giving it a length of 1.81 m. What is the wavelength of the standing wave
A 2 kg mass is pushed 0.5 m into a spring with spring constant 200 N/m on a frictionless horizontal surface. Upon release, the mass travels across the surface until it encounters a rough incline. The mass moves up incline and stops at a height of ..
A lens is coated with material of indexof refraction 1.38. What thickness of coating should be used to give maximum transmission
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