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One end of a long rod (n=1.5) is formed into a convex surface with a radius of curvature of 6cm. Find the image and object focal lengths, f' and f, and mark the locations of the foci in your to-scale
In a phyiscs lab experiment, a coil with 200 turns enclosing an area of 13.7cm2 is rotated during the time interval 3.7E-2 from a position, What is the magnitude of the total magnetic flux
Power lines at 20,000V (rms) are connected to a utility pole transformer. Find the ratio of the number of turns in the primary to the number of turns in the secondary
A circular loop of flexible iron wire has an initial circumference of 169cm but its circ. is decr. Find the magnitude of the emf induced in the loop after exactly time 5.00s has passed since the circ
A tank circuit in a radio transmitter is a series RCL circuit connected to an antenna. find minimum and maximum inductance of the tank circuit
An equilateral triangle has sides of lengthL. Charges of +Q,-2Q,and +3Q are placed at the vertices. Find the electric field midway between the two positive charges
The international space station is orbiting at an altitud of 370km above earth's surface. The mass of the earth is 6x10^24kg, Assuming a circualr orbit, whit is the orbital speed of the space station
What is the approximate radius of Earth? Its mass is 6.0*10^24 kilograms and the acceleration due to gravity at its surface is 9.8 m/s2
A cart of 0.5 kg hits a fixed cart of 1.5 kg with a velocity of 3 m/s in the north direction. Both carts get stuck together and move, What is the direction of the velocity vector
A helicopter, starting from rest, accelerates straight up from the roof of a hospital. The lifting force does work in raising the helicopter. What is the average power generated by the lifting force
A 2000 kg elevator initially is moving with speed 2 m/s as it passes the 5th °oor. How much work is done by nonconservative forces during the 10 second interval
Consider 3 Resistors: 10 k?, 20 k?, and 30 k?. Calculate the total resistance if the resistors are connected in series with each other
A .060-kg tennis ball, initially moving 5.50 m/s, has a head on collision with a .090-kg ball initially moving in the same direction, determine the Speed and direction of each ball after collision
Find the speed of a satellite in a circular orbit around the earth with a radius 4.01 times the mean radius of the earth; RE 6.37E+3km; ME 5.98E+24kg
The escape velocity of a bullet from the surface of planet Y is 1823 m/s. Calculate the escape velocity from the surface of the planet X if the mass of planet X is 1.47 times that of Y,
Compute the quantum length (thermal de Broglie wavelength) in nanome-ters and the chemical potential in electron volts of 4He gas at room temperature and pressure
A man pushes a 16kg block from rest to speed v doing 1200 j of work in the process, during this time, find the horizontal force exerted on the block
For nitrogen gas at 35 C calculate the vrms, the vp and the translational kinetic energy
In order better to map the surface features of the Moon, Calculate the satellite\'s kinetic energy, gravitational potential energy, and total orbital energy
High-voltage power lines are a familiar sight throughout the country. What is the resistance of ten kilometers of this wire
A coil of wire has a resistance of 38.0 ? at 25° C and 43.7 ? at 52° C. What is the temperature coefficient of resistivity
A defibrillator is used during a heart attack to restore the heart to its normal beating pattern. A defibrillator passes 18 A of current through the torso of a person in 2.1 ms, How much charge move
A 12.0-kg cylinder rolls without slipping on a rough surface. At an instant when its center of gravity has a speed of 12.2 m/s, determine the rotational kinetic energy about its center of gravity
Two 4.4 cm× 4.4 cm metal plates are separated by a 0.19-mm-thick piece of Teflon, What is the maximum potential difference between the disks
A pendulum swinging in a circular arc under the influence of gravity, has both centripetal and tangential components of acceleration. Where is the centripetal acceleration a maximum