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A concave mirror and a plane mirror (f = 6.70 cm) are facing each other and are separated by a distance of 20.0 cm. An object is placed 11.0 cm in front of the plane mirror. Consider the light from the object that reflects first from the plane mirror and then from the concave mirror. Find the location of the image that this light produces in the concave mirror. Identify this distance relative to the concave mirror.
a horizontal 30-cm-long conducting rod is rolling along two insulating rails that are parallel to the x-axis. the rod
A container of cross-sectional area 107 cm2 contains liquid of density 2.35 g/cm3 to a height of 6.90 cm above a small hole of area 1.00 cm2 in the side. Find the flow rate through the hole
A 52kg ballet dancer stands on her toes during a performance with four square inches (26cm2) in contact with the floor. What is the pressure exerted by floor over the area of contact in some cases.
A potter's wheel having a radius 0.49 m and a moment of inertia of 12.6 kg · m2 is rotating freely at 48 rev/min. Find the effective coefficient of kinetic friction between the wheel and the wet rag
A solid ball has a weight of 3.3 N. When it is submerged in water, it has anapparent weight of 2.6 N. What is the density of the ball
A candle of height 2.0 cm is placed 10.0 cm in front of a diverging (concave) lens of focal length -6.0 cm. Where is the image of the candle
lake erie contains roughly 4.00 x 1011 m3 of water.a how much energy is required to raise the temperature of that
you are driving at a speed of 20 m/s. suddenly you see a deer 100m in front of the car and hit the brakes immediately. you are just able to save the deer. (a) calculate the acceleration. (b) how many seconds did you need to stop the car?
An airplane starting from airport A flies 304 km east, then 364 km at 35.5° west of north, and then 150 km north to arrive at last at airport B.
A trains whistle is a pipe thats open at only one end is emitting a sound at its second overtone. What is the length of the whistle in centimeters
At rush hour, the noise from a highway is 10?4 W/m2 with 100 cars passing a given point a minute. At night the average noise is reduced to 10?6 W/m2. How many cars are now driving on the highway?
While looking through the Mt. Palomar telescope, you discover a large planetary object orbited by a single moon. calculate the density of Planet Hephaestus
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