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What is the acceptance angle of the fiber, when the fiber is in an index matching oil of index 1.462?
Find the resultant ((a) magnitude and (b) directional angle) of the three vectors by means of the component method. Express the directional angle as an angle above the positive or negative x axis.
Electric charge is uniformly distributed inside a nonconducting sphere of radius 0.30 m. The electric field at a point P, which is 0.50 m from the center of the sphere, is 15,000 N/C and is directed
A spherical, non-conducting shell of inner radius r1= 10 cm and outer radius r2= 15 cm carries a total charge Q = 15 oC distributed uniformly throughout the volume of the shell. What is the magnitud
The electron's acceleration is due to two electric forces parallel to the x axis: F1 = +7.73x10^-17 N, and F2, which points in the -x direction. Find the magnitudes of the net force acting on the el
Find the magnitude and direction of the initial velocity. EXpress the direction as an angle with respect to the +x axis.
A particle is traveling along an arc of 6.5-in radius. The arc is the origin of a coordinate system. When the particle is at position A, its position vector makes a 45 angle with the X axis.
Two planes approach each other head-on. Each has a speed of 720 km/h , and they spot each other when they are initially 14.5s apart. How much time do the pilots have to take evasive action?
A large capacitance of 2.00 mF is needed for a certain application. (a) Calculate the area the parallel plates of such a capacitor must have if they are separated by 3.00 µm of Teflon.
A baseball is hit with a speed of 30.0m at an angle of 43.0. It lands on the flat roof of a 11.0 -tall nearby building. If the ball was hit when it was 1.0m above the ground, what horizontal distanc
The tuner of a radio circuit is formed by a resistance of 400 ohms, a 0.5 mH coil and a variable capacitor. If the capacitor is set to 72 pF. Calculate the total impedance of the circuit if the freq
Question: An object is 13 cm in front of a diverging lens with a focal length of 15 cm. Use ray tracing to determine the location of the image.
The car is held by a cable attached 24 in. from the track. Determine the tension in the cable and the reaction at each pair of wheels.
A long solenoid has a length of 0.56 m and contains 1540 turns of wire. There is a current of 6.0 A in the wire. What is the magnitude of the magnetic field within the solenoid?
A student throws a set of keys vertically upward to her sorority sister, who is in a window 2.50 m above. The second student catches the keys 2.00 s later. (a) With what initial velocity were the ke
A truck covers 42.0 m in 8.00 s while smoothly slowing down to final speed of 2.50 m/s. (a) Find its original speed.
If the ball is in contact with the wall for 3.15 ms, what is the magnitude of the average acceleration of the ball during this time interval?
A particle moves according to the equation x = 8t2, where x is in meters and t is in seconds. (a) Find the average velocity for the time interval from 1.80 s to 2.95 s. m/s (b) Find the average velo
Suppose a trucks mass is 2000 kg, while the car's mass is 1000kg. And suppose the truck slows down by 5 m/s during the collision. How much speed does the car gain during the collision?
A gasoline engine absorbs 8320 J of heat at 289C and expels 7820 J at a temperature of 89C. Find the change in entropy for the system.
If the frictional force experienced by the block, is 8 N, the acceleration of the block is > ? < m/s2. Calculate your answer to one decimal point.
Students in a fraternity house want to be able to spray water 25 m across their neighbor's yard onto a patio. They have a hose of inside diameter 1.2 cm that can spray a distance of only 1 m. What s