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A 2.1 kilogram mass is connected to a spring with spring constant k = 150 N/m and unscratched length 18 centimeter. The pair is mounted on a frictionless air table, with the free end of the spring attached to a frictionless pivot. The mass is set into circular motion at 1.4 m/s. Evaluate what is the radius of its path.
a satellite has a mass of 100 kg and is located at 2.00x 10^6 m above the surface of the earth. estimate the magnitude of the gravitational force on the satellite
A line of charge starts at x = +x0 and extends to positive infinity. The linear charge density is λ = λ0x0/x, where λ0 is a constant. Determine the electric field at the origin.
a circuit consists of an ideal ac generator a 20nbspmicrof capacitor and an 90?nbspresistor all connected in series.
What is the pressure change for water that flows through a steel pipe of diameter 0.15 m at a velocity of 2 m/s? If the flow were laminar regime what would be the pressure change? How much energy per mass is required to pump the fluid in turbulent..
a 14700n car is traveling @ 25m/s. the brakes are applied suddenly, and the car slides to a stop the average braking force between the tires and the road is 6980n. how far will the car slide once the brakes are applied
Space probes require power systems that can remain functional over long periods of time. One innovative design for a small electrical power source uses the energy released by the alpha decay of curium-244.
a force of 40.0 n is applied to a crate to displace it by 50.0 m. how much work is done on the crate by this
A proton moves eastward in the plane of Earth's 5x10^-5 T magnetic equator so that its distance from the ground is constant. What is the speed of the proton?
An electric dipole includes a charge of 4 ?C and a second charge. What is the total charge of the dipole?
A concave mirror (R = 56.0 cm) is used to project a transparent slide onto a wall. How far from the wall should the mirror be located
Two cars collide at an intersection. Car A, with a mass of 2000kg , is going from west to east, How fast was car A going just before the collision
A heat pump keeps a house warm at 72.0 degrees Fahrenheit when the outside temperature is 0 degrees Fahrenheit. How much heat is drawn in from the outside
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