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Solve the following problem:
Problem: A camera is equipped with a lens with a focal length of 31 cm. When an object 2.2 m (220 cm) away is being photographed, what is the magnification?
Show all work, use additional paper if necessary.
The warranty on a new tire says that an automobile can travel for adistance of 96 000 km before the tire wears out. The radius of thetire is 0.31 m. How many revolutions does the tire make beforewearing out?
Four identical charges (+2.0 ?C each) are brought from infinity and fixed to a straight line. Determine the electric potential energy of this group
A 1-cm-thick layer of water stands on a horizontal slab of glass. A light ray in the air is incident on the water 59 from the normal. After entering the glass, what is the ray's angle from the normal?
the train passes point a with a speed of 30 ms and begins to decrease its speed at a constant rate of at -0.25 ms2.
a tin can is filled with water to a depth of 39 cm. a hole 18 cm above the bottom of the can produces a stream of water
This problem introduces the concept of tension. The instance is a rope, oriented vertically, that is being pulled from both ends. Let and (with u for up and d for down) represent the magnitude of the forces acting on the top and bottom of the rope..
A gas is contained in a vertical, frictionless piston-cylinder device. The piston has a mass of 4 kg and a cross-sectional area of 40 cm2. Determine the pressure inside the cylinder
A tennis player standing 12.2 mfrom the net hits the ball at 3.60°above the horizontal. how fast was the ball moving when it left the racquet
a cylinder of radius 3.34 cm and a sphere of radius 8.47 cm are rolling without slipping along the same floor. the two
a long solenoid with its axis along the x axis consists of 250 turns per meter of wire that carries a steady current of
Determine what is the magnitude of the average force on the wall if the duration of the collision is 0.19 second
A uniformly charged wire or radius R1=0.02m runs down the axis of a cylinder of inner radius R2=0.06m. Find the electric field at the surface of the wire
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