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In the figure below, a battery of potential difference V = 13 V is connected to a resistive strip of resistanceR = 7.0 Ω. When an electron moves through the stripfrom one end to the other, (a) in which directionin the figure does the electron move (1 = upward, 2 = downward),(b) how much work (in eV) is done on the electronby the electric field in the strip, and (c) how much energy (in eV) is transferred to the thermal energy of the strip by the electron?
Your forehead can withstand a force of about 6.0kN before fracturing while your cheekbone can only withstand about 1.3 kN. what is the magnitude of the balls deceleration
A circular loop of diameter 10 cm, carrying a current of 0.20 A, is placed inside a magnetic field = 0.30 T. Calculate the magnitude of the torque on the loop due to the magnetic field
A car of mass 1290 kg rests on a hydraulic lift with a piston of radius 0.22 m that is connected to a second piston of radius 0.027 m. what is the force at the second piston
A nuclear power plant has an electrical power output of 2000 MW and operates with an efficiency of 34%. what is the rise in temperature of the flowing water
what is the thermal kinetic energy in 1kg of oxygen gas at 20 degrees celsius? What fraction of this energy is translational
You are playing raquetball at the rec center. When you are 10 m away from the wall you hit a ball 16 m/s towards the wall at an angle of 30 degrees. How high above the launch point does the ball hit the wall
A 1,260-kg car traveling initally with a speed of 25.0 m/s in an easterly direction crashes into the rear end of a 9,600-kg truck moving in the same direction at 20.0 m/s. what is the velocity of the truck right after the collision
Two protons are moving directly toward one another. When they are far apart, What is the distance of closest approach?
Suppose you have two equal mass objects both on a gentle incline. One is a glider on an air track while the other is a ball on a straight slope. Explain what type of energy both objects have
an automobile wheel and tire having a diameter of 93.7 cm and a mass of 43.9 kg is bolted to a test machine. the center
A thin cylindrical shell of infinite length and radius 2.60-cm hasa uniform surface charge density of 6.89-nC/m2. What is the magnitude of the electric field at a distance of 5.79-cm from the cylindrical shell?
A disk of radius R and mass M = 10 g is rotating freely about a fixed axis through its center with angular velocity w = 11 rad/s. A spider of mass m = 0.5 g descends onto the disk and goes along for the ride. The moment of inertia of the disk is I..
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