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At 20oC, the electric field in a tungsten wire is 0.0560 V/m when the current in the wire is 2.80 A.
What electric field in the wire is required for this same current at 320oC?
Find out the speed of the satellite
It's possible for a determined group of people to pull an aircraft. Drag is negligible at low speeds, and the only force impeding motion is the rolling friction of the rubber tires on the concrete runway. Estimate the force with which each officer ..
At Sea World, a 28.0-kg seal slidesdown a ramp into the pool below. What is the coefficient of kinetic friction between the sealand the ramp
The electric field between two parallel plates connected to a 75 Volt battery is 1800 V/m. Determine how far apart are the plates
Charge q1 = 5.47*10^-8 is placed at the origin. Charges q2 =-1.45*10^-8 C and q3 = 1.95*10^-8 C, Determine the direction of the net electrostatic force on charge q3
An airplane passenger carries a 215-N suitcase up the stairs, a displacement of 4.20 m vertically and 4.60 m horizontally. How much work does the passenger do?
Three capacitors of equal capacitance are connected in parallel to a battery, and together they draw a certain amount of charge Q from that battery. How much charge is drawn from the battery
A driver in a moving car applies the brakes. The car slows to a final speed of 1.80 m/s over a distance of 40.0 m and a time interval of 8.30 s. The acceleration while braking is approximately constant. What is the car's original speed before braking..
An electron of the hydrogen atom makes a transition from the n= 5 level to the n = 2 level. The Rydberg constant is 1.097x 107/m. What is the wavelength of the photon emitted?
what is its kinetic energy at the end of the interval. How high a tree would a 80 kg person have to climb to increase his gravitational potential energy relative to the ground by that amount.
air is contained in a vertical piston-cylinder assembly by a piston of mass 50 kg and having a face area of 0.01 m2.
A 200m wide river flows due east at a uniform speed of 2.0m/s.A boat with a speed of 8.0m/s relative to the water leaves thesouth bank pointed in a direction 30 degrees west of north. How long does it take the boat to cross the river
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