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A converging lens of focal lengthf = 46 cmis placed 189 cm to the left of a metallic sphere of radius R = 1.00 102 cm. An object of height 2.0 101 cm is placed 2.7 101 cm to the left of the lens. What is the height of the image formed by the metallic sphere?
The brakes of a truck cause it to slow down by applying a retarding force of 4520 N to the truck over a distance of 1150 m
Explain the concepts behind the gravitational constant, gc. Define the constant mathematically.
what is the electric force between the proton and electron inside of a hydrogen atom? What must the speed of the electron be
The wires in a household lamp cord are typically 3.0 mm apart center to center and carry equal currents in opposite directions. Is the force attractive or repulsive
A pump on the ground floor of a building can pump up water to fill a tank of volume 30 m^3 in 15 min. If the tank is 40m above the ground and the efficiency of the pump is 30%
A 1.50 kg box (position is given in meters and time is given in seconds) slides on ice for 1.5 seconds and then encounters a rough surface. Find out the momentum at the start of the animation. Is momentum conserved during the first 1.5 seconds? Is..
Find the speed of the car when brakes were applied.
A television set connected to a 121 V outlet consumes 88 W of power. How long does it take for 10 million electrons to pass through the television.
The three ropes are tied to a small, very light ring. Two of these ropes are anchored to walls at right angles with tensions T1 = 35 N andT2 = 70 N. What are the magnitude and direction of the tension Tvec3 in third rope.
You are 1.7m m tall and stand 3.5m m from a plane mirror that extends vertically upward from the floor. What is the minimum height the mirror must have for you to be able to see the top of the table in the mirror
A strong wind current of 9.1 m/s is carrying gas a distance of 27351 m. What is the power rating on the convection
An astronaut on the planet Vimrom IV finds that she can junp a maximum horizontal distance of 13.0 m if her initial speed is 4.90 m/s. what is the maximum height about the ground reached by the astronaut
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