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A converging lens (f = 36.9 cm) is used to project an image of an object onto a screen. The object and the screen are 180 cm apart, and between them the lens can be placed at either of two locations. Find the two object distances, the smaller being the answer to part (a).
A charge +q is located at the origin, while an identical charge is located on the x axis at x = +0.42 m. find Where should the third charge be located
A car's outside rear-view mirror is convex, with focal length -1.5m . In the mirror you see a truck that's actually 4.0m tall and 10.3m behind you. What is its apparent height
A 2kg block of wood floats on water with 75% of its volume submerged. Find the mass of the steel block
A 450 loop circular armature coil with a diameter of8.0cm rotates at 120 rev/s in a uniform magnetic field of strength 0.55 T. What is the rms voltage output of the generator
A string of length L, which is clamped at both ends and has a tension T, is pulled aside a distance h at its center and released. What is the energy of the subsequent oscillations
Volcanoes on the Earth eject rocks at speeds of up to 160 m/s. Consider a 1260 m high volcano that ejects rocks in all directions. What is the maximum height above sea level reached through rocks.
A neutron at rest decays in to a proton and an electron. how much kinetic energy (in MeV) are shared by the electron and proton? can a proton decay into a neutron and a positron?
After the engine is ignited, what is the rocket's speed when the spring has stretched 19.00 cm past its natural length? What would be the rockets speed after travelling the distance if it weren't tied down to spring.
A common belief is that a hole in a jet plane can suck a person out, Calculate the fractional difference between this force and the weight wman of a typical adult male (185 lb)
The longest recorded pass in an NFL game traveled 83 yards in the air from the quarterback to the receiver. find the speed at which the ball left the quarterback's hand
Protons can escape from the surface of the sun if their kinetic energy is sufficient to overcome the gravitational potential energy. a) Calculate the minimum speed necessary for escape
Suppose a car is traveling at +16.8 m/s, and the driver sees a traffic light turn red. After 0.569 s has elapsed, calculate the stopping distance of the car
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