Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
A .01 μF capacitor is to be constructed by rolling two strips of 10cm wide metal foil with a 1 mm thick paper layer (dielectric constant =4) sandwich into a cylinder. How long must the strips be?
For which wavelenght(s) of visible light does destructive interference of light result in the absence of this/these color(s) in light reflected from the film?
You produce an image of the Sun on a screen, using a thin lens whose focal length is 23.0 cm. What is the diameter of the image? (The mean radius of the Sun is 6.96 x 108 m and its mean distance fro
A rod extending between x=0 and x=14.0 cm has uniform cross-sectional area A=9.00 cm^2. Its density increases between its ends from 2.7 g/cm^3 to 19.3 g/cm^3. Identify the constants B and C required
The parachute on a race car that weighs 6500 N opens at the end of a quarter-mile run when the car is traveling 40 m/s. What total retarding force must be supplied by the parachute to stop the car i
A typical car under hard braking loses speed at a rate of about 6 m/s2. The typical reaction time to engage the brakes is 0.50 s. A local school board sets the speed limit in a school zone such that
A parallel-plate capacitor with area 0.300 m2 and plate separation of 2.00 mm is connected to a 3.00 V battery. (a) What is the capacitance? (b) How much charge is stored on the plates?
Find the direction of the electric force on the charge in the center. Express your answer as a vector of length one by stating its components in the up, east, and north directions.
What is the direction (in degrees) of the electric force due to these charges on a negatively charged dust mite in the bottom left corner of the doorframe?
A 1.8 kg ball is dropped from the roof of a building 100 m high. While the ball is falling to Earth, a horizontal wind exerts a constant force of 12.0 N on it. (a) How far from the building does the
Oakdale is 21 km from the end of the line, and metro station is 96 km from the end of the line. A. What was the commuter's average speed getting to work?
A baseball has a mass of about 155 g. What is the magnitude of the momentum of a baseball thrown at a speed of 98 miles per hour? (Note that you need to convert mass to kilograms and speed to meters
(a) Find the work (J) done on the gas. (b) Find the change of internal engergy (J) of the gas. (c) Find the amount of heat (J) we added to the gas to keep it at constant temperature. Be sure to incl
We have some gas in a cylinder. The diameter of the cylinder is 8.1 cm. The mass of the piston is 13.5 kg. The atmospheric pressure is 9.4 x 10^4 Pa. (a) Find the pressure (Pa) of the gas.
Derive an expression for the limiting distance the block travels, or show that there is no limit.
Repeat the previous problem using 90.0 g of ice. This time, not all of the ice will melt. (a) What is the final temperature (degrees C) of the water-ice mixture? (b) How much ice (g) is left?
Suppose that two balls of mass 2.5 x 10^-4 kg each carry equal charges and are suspended by identical threads of length 13 cm anchored 24cm apart. If each thread makes and angle of 20 degrees with t
If we drop the lead into the water, find the final temperature (degrees C) of the water when the lead and water have come to a common temperature. Neglect any flow of heat to or from the environment
Then use Archimedes' principle to find the density required for the air inside the balloon. Then find the temperature of the air inside the balloon.
Four particles with charges of +1.00 µC, -2.00 µC, +3.00 µC, and -4.00 µC are located at the points (0, 0), (2.00, 0) cm, (2.00, 4.00) cm, and (0, 4.00) cm, respectively. Wha
The rabbit travels a total distance of 1080 m, and its average speed is 0.87 m/s. (a) What is the total time the rabbit spends running at 1.7 m/s?
A horizontal constant force F= 12.0 N is applied to the block, which then moves the block a distance of 5.0m with constant acceleration. a) the magnitude of the linear acceleration of the system.
A jogger maintains a speed of 3.2 m/s for 216 m until he encounters a stoplight, and he abruptly stops and waits 29 s for the light to change. He then resumes his exercise and maintains a speed of