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A dentist uses a mirror to examine a tooth that is 0.75 cm in front of the mirror. The image of the tooth is formed 8.0 cm behind the mirror.
1. Decide the mirror's radius of curvature.
2. Decide the magnification of the image.
A motorist inflates the tires of her car to a pressure of 170 kPa on a day when the temperature is -8.0°C. What is the temperature of the tires
a 100 w lightbulb generates 94 w of heat which is dissipated through a glass bulb that has a radius of 2.8 cm and is
A car is moving down a street at 53 km/h. A child all of a sudden runs into the street. If it takes the driver 0.74s to react and apply the brakes, how many meters will the car have moved before it begins to slow down?
A 180g block hangs from a spring with spring constant 6.0 N/m. At the block is 31cm below the equilibrium point and moving upward with a speed of 98.0cm/s. What is the block's position at t = 9s.
Light of a wavelength of 661.1 nm is received from a star that is emitting light of wavelength of 659.6 nm. How fast is the star moving relative to the earth
A police officer spots a speeding car traveling at 20 m/s (approximately 44 mph) as it passes. How far will the officer have to drive before catching up to the speeding car
A 1.00-cm-high object is placed 4.70 cm to the left of a converging lens of focal length 7.60 cm. Find the position and height of the final image
a projectile is fired from ground level at time t 0 at an angle theta with respect to the horizontal. it has an
The nucleus of a hydrogen atom is a single proton. The radius of a proton is approximately 1 fm. What is the approximate volume of a proton
rotating fan a rotating fan completes 1200 revolutions every minute. consider a point on the tip of a blade at a radius
You throw a 25.0 N rock into the air from ground level and observe that, when it is 14.0 m high, find the rock's speed just as it left the ground
A cylinder of radius R is made with material of nonuniform density, where the volume density varies with radius as Ar, (r
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