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A slide projector needs to create a 98-cm-high image of a 2.0 cm slide. The screen is 300 cm from the slide. What focal length does the lens need? Assume that it is a thin lens. How far should you
A second coil with 410 turns is wound uniformly on top of the first. What is the mutual inductance of these coils?
If 3.43 moles of this gas undergoes isothermal expansion at T = 216K from a volume of 1.00 m³ to 3.00 m³, calculate the work done by the gas.
A uniform current density of 2.0 Amps/m**2 is flowing down a cylindrical region of radius 3.0 meters. a) Use Ampere's law to find the B field as a function of cylindrical radius r from the center of t
A clump of soft clay is thrown horizontally from 8.50 m above ground with a speed of of 20.00 m/s. Where is the clay after 1.50 s? Assume it sticks in place when its hits the ground?
The fifth-order maximum of the unknown wavelength exactly overlaps the third-order maximum of the red light. What is the unknown wavelength?
A gas is compressed from 600 cm3 to 200 cm3 at a constant pressure of 400 kPa. At the same time 100 J of heat energy is transferred out of the gas. What is the change in the thermal energy of the g
A 10-m-by-14-m house is built on a 12-cm-thick slab of concrete. What is the rate of heat loss through the slab if the ground temperature is 5.00° C while the interior of the house is 22.0°
Water undergoes viscous flow through two pipes with the same pressure difference between the ends. Pipe 1 has three times the diameter as pipe 2.
Homework, Problem 1. Using graphing strategy plot the graph of the function f(x) =2x3 +3x2 -12x Problem 2. Problem 3. A demand function is given by Q(P) = 800-25P a) Find the el
A partially filled closed tank contains ethyl alcohol at 68 degrees F. If the air above the alcohol is evacuated, what is the minimum absolute pressure that develops in the evacuated space?
A 5 MW gas turbine power plant is reported to have a thermodynamic efficiency of 35%. Assume products of reaction exit at 750 K with water in the gaseous phase.
The record low sea-level barometric pressure ever recorded is 25.8 in. of mercury. At what altitude in the standard atmosphere is the pressure equal to this value?
The elongation of the rod is ? = 2 mm, and its diameter becomes 24.98 mm. Determine the modulus of elasticity and the modulus of rigidity of the material. Assume the material does not yield.
When the force is increased from 500 lb to 2 kip, the specimen elongates 0.020 inches. Determine the modulus of elasticity for the material if it remains linear elastic.
The two rope segments BC and BD angle away from the center of the ship at angles of = 35.0 and = 19.0 , respectively. The tugboat pulls with a force of 1150lb. What are the tensions in the rope segm
The atomic radius of iron is 0.125 nm, while that of a carbon atom is 0.070 nm. Can a carbon atom fit inside a steel bcc structure without distorting the enighboring atoms? If so, why?
A thermometer flashes the temperature in Celsius and Fahrenheit along with the time. If it flashes -4° F, what will the thermometer flash in Celsius?
After the collision, the 0.20-kg puck has a speed of 1.5 m/s at an angle of 53° to the positive x-axis. Find the fraction of kinetic energy lost in the collision.
The space between the concentric spheres is filled with a liquid of dielectric constant 32. (a) Determine the capacitance of the capacitor. (b) What is the potential of the inner sphere?
Show that the force on each plate of a parallel plate capacitor has a magnitude equal to (1/2) QE, where Q is the charge on the capacitor, and E is the magnitude of electric field between the plate
A 4 µF capacitor is charged by a 200 V supply. It is then disconnected from the supply, and is connected to another uncharged 2 µF capacitor. How much electrostatic energy of the first c
View this energy as stored in the electrostatic field between the plates, and obtain the energy per unit volume u. Hence arrive at a relation between u and the magnitude of electric field E between
What is the area of the plates of a 2 F parallel plate capacitor, given that the separation between the plates is 0.5 cm?