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a) If V = 24V is applied across the whole network(Figure) , calculate the voltage across each capacitor.
b) Calculate the charge on each capacitor.
A proton, initially traveling in the +x-direction with a speed of 5.75*10^5m/s, enters a uniform electric field directed vertically upward. What is the strength of the electric field
An iron bolt of mass 75.0 g hangs from a string 32.4 cm long. The top end of the string is fixed. Find the magnetic force on the bolt
q1. a helicopter is ascending vertically with a speed of 5.57. at a height of 124 above the earth package is dropped
In a large centrifuge used for training pilots and astronauts, asmall chamber is fixed at the end of a rigid arm that rotates in ahorizontal circle. How long is the arm of the centrifuge
A 1.5 x 103-kg car is pulled horizontally by a tow truck. The tension in the tow rope is 2.1 x 103N, and a 1.8 x 102 N friction force opposes the motion. If the car starts from rest, what is its speed after 5.0 s
A certain kind of glass has nblue = 1.62 for blue light and nred = 1.572 for red light. what is the angle between the red and blue light inside the glass
A student's car stalls right in front of a speed bump while she is on her way to physics class, If is 12.7°, what is the size of the force pulling the car in lbs
A 0.70-kg disk with a rotational inertia given by MR2/2 is free torotate on a fixed horizontal axis suspended from the ceiling. A string is wrapped around thedisk and a 2.0-kg mass hangs from the free end.
A point source of light is submerged 2.53 m below the surface of a lake and emits rays in all directions. On the surface of the lake, directly above the source, the area illuminated is a circle. What is the maximum radius that this circle could have?
Adult cheetahs, the fastest of the great cats, have a mass of about 71kg and have been clocked at up to 70mph (31m/s). By what factor would its kinetic energy change
suppose that two objects attract each other with a gravitational force of 16 units. what would be the new force of attraction between the two objects
A rail car of mass 4500 kg is moving with a velocity of 12.4 m/s collides with a stationary rail car of mass 6700 kg. What is the velocity of the two cars if they stick after they collide?
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