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I have solved that the external resistor R is 106 ohm. I have solved that the internal resistance r of the battery is 2.73 ohm. What is the energy dissipated in the battery's internal resistance in
A component with a 15 Ohm resistor is rated for use at power levels not exceeding 1,603 mW. How much current can safely flow through the component? Express the answer with two decimal places.
Venus and the Sun are separated by a distance of 0.7 AU. Where along the path between these two celestial objects does their opposing gravitational forces cancel out?
An airplane is traveling at 117 mph (relative to the air), 13 degrees E of N, at an altitude of 5000 ft. It encounters a cross-wind, blowing 16 m/s (relative to the earth) @ 39 degrees S of W. At wh
The collision takes place when the pendulum is passing through its lowest point, and during the collision, the ball sticks to the pendulums bob.How high will the system rise from the horizontal surf
The electric potential V in the space between two flat parallel plates is given by V = 1200x2 , where V is in volts if x, the distance from one of the plates, is in meters. Calculate the magnitude a
How long does it take to charge the dome to 3.0 MV? How much power is required to operate the machine when the dome potential is 3.0 MV, assuming the rate of charge transfer remains constant?
Suppose that the three quarks are equidistant from one another. Take the distance to be 1.48×10-15 m and calculate the potential energy of the subsystem of two "up" quarks. (MeV) Calculate the
How much power is required to operate the machine when the dome potential is 3.0 MV, assuming the rate of charge transfer remains constant?
What is the charge on the surface of a conducting sphere of radius 0.20 m whose potential is 450 V (with V = 0 at infinity)? What is the charge density on the surface of a conducting sphere of radiu
A parallel plate air capacitor has a capacitance of 300 pF and a charge of magnitude of .025 uC on each plate. The plates are 0.700mm apart. A) What is the potential difference between the plates?
In a particular Millikan oil-drop apparatus, the plates are 2.25cm apart. The oil used has a density of 0.805g/cm^3, and the atomizer that sprays the oil drops produces drops of diameter 1.00 x 10^-
What is the maximum heigh about the ground achieve by the projectile? Please show work for both.
An automobile accelerates from a standing start at 2.2 m/s2. At that instant a truck, traveling at a constant speed of 9.5 m/s overtakes the car. How far will the car have to travel to overtake the
At t = 0 an inductor is connected to a 9.0 V battery. At t = 2.3 s, the current through the inductor is 0.39 A, and after about 10 s, the current reaches a stable value of 1.8 A. Find the resistance
What mass can be loaded onto the sled so that the normal force excerted by the ground onto the sled stays below 3000N? Show work please.
Immediately after the balls first touch each other (the beginning of the collision), the center of mass of the larger ball is accelerating at a rate of 5 ms-2 to the right. What is the acceleration
A positive 1.8 µC charge moves at a speed of 2.60 x 106 m/s in a direction that is perpendicular to both fields. Determine the magnitude of the net force that acts on the charge.
When a charged particle moves at an angle of 13° with respect to a magnetic field, it experiences a magnetic force of magnitude F. At what angle (less than 90°) with respect to this field wi
2.2 mol of neon gas is initially at a pressure of 1.8 atm and a temperature of 253oC. (i) If the gas is cooled at constant pressure, until the volume is one third of the initial volume, what is the
Two semiconductor materials have exactly the same properties except that material A has a bandgap of 0.8eV and material B has a bandgap of 1.2 eV. What will the ratio of intrinsic carrier concentrat
A 5100 kg open train car is rolling on frictionless rails at 26 m/s when it starts pouring rain. Rain falls vertically. A few minutes later, the car's speed is 24 m/s.
An airplane whose airspeed is 550 km/h heads due north. But a 80 km/h wind coming from the east suddenly begins to blow. What is the magnitude of the resulting velocity vector of the plane with resp
Two blocks of mass m1=8.50 kg and m2=1.80 kg sit on a 38.0 angle incline. I) Assuming the incline is frictionless, calculate the magnitude of the contact force between the two blocks.
We know that when a projectile lands at the same level it was launched, it will have a maximum range if the launch angle is 45 degree. in your experiment, the landing zone was below the launcher. Wo