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A concave mirror has a focal length of 69.6 centimeter.
Evaluate what is its radius of curvature?
cm
Locate the image when the object distance is 100 centimeter. (Indicate the side of the mirror with the sign of your answer.)
Explain the properties of the image when the object distance is 100 cm.
Locate the image when the object distance is 10.0 centimeter.
Three point charges -q,-q, and 2q occupy the verices of an equilateral triangleof side a. Find the electric field at the center of the triangle
An electron is observed traveling at a speed of 2.38 107 m/s parallel to an electric field of magnitude 11,460 N/C. How far will the electron travel before coming to a stop
As you bounce a tennis ball of mass 5.10 10-2 kg off a wall, its velocity changes from vx = 10.8 m/s to vx = -7.9 m/s. Find the impulse applied to the ball
A current of 0.307 A through your chest can send your heart into fibrillation, ruining the normal rhythm of heartbeat, how many conduction electrons pass through your chest
Gas is contained in an 6.5 L vessel at a temperature of 20°C and a pressure of 9.8 atm. How many molecules are in the vessel
The resistance of a bagel toaster is 14 ohm. To prepare a bagel, the toaster is operated for one minute from a 120- Voutlet. How much energy is delivered to the toaster? The current in a 47-ohm resistor is .12A. This resistor is in series by a 28-ohm..
A balloon carrying a basket is descending at a constant velocity of20.0 {\rm m}/{\rm s}. A person in thebasket throws a stone with an initial velocity of 15.0 {\rm m}/{\rm s} horizontally perpendicular to the path of the descending balloon,
The combination of an applied force and a friction force produces a constant total torque of 35.2 N · m on a wheel rotating about a fixed axis. The applied force acts for 6.10 s. During this time, the angular speed of the wheel increases from 0 to..
on a distant planet golf is just as popular as it is on earth. a golfer tees off and drives the ball 4.7 times as far
Red light of wavelength 670.0 nm produces photoelectrons from a certain photoemissive material. What is the material's work function
A man is trying to get his car out of mud on the shoulder of a road. He ties one end of a rope tightly around the front bumper and the other end tightly around a utility pole a distance d away. What is the magnitude of the force on the car from the..
A Young's interference experiment is per- formed with blue-green argon laser light. The separation between the slits is 0.434 mm, What is the wavelength of argon laser light
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