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A certain lens focuses light from an object 2.20 m away as an image 46.7 cm on the other side of the lens.
1. What type of lens is it?
2. What is its focal length? (in cm)
3. Is the image real or virtual?
Determine the magnitude when the force on the wire
What is the total electric flux due to these two point charges through a spherical surface centered at the origin and with radius r3 = 2.70 m?
Two astronauts are 1.40 m apart in their spaceship. One speaks to the other. The conversation is transmitted to earth via electromagnetic waves. How far away from the earth is the spaceship
A spring oscillator is designed with a mass of 0.153 kg. It operates while immersed in a damping fluid, Find the required damping constant for the system
A solar cell generates a potential difference of 0.1556 V when a 500 ? resistor is connected across it, and a potential difference of 0.2270 V when a 1000 ? resistor is substituted. What is the internal resistance of the solar cell?
the plates of a spherical capacitor have radii 37.0 mm and 49.0 mm.a calculate the capacitance.b what must be the plate
A 15.0 m uniform ladder weighing 500 N rests against a frictionless wall. The ladder makes a 60.0 angle with the horizontal. Find out the horizontal and vertical forces the ground exerts on the base of the ladder when an 800 N fire-fighter is 4.00m f..
q1. a thermos contains 175 cm3 of coffee at 85deg c. to cool the coffee you drop two 13-g ice cubes into the thermos.
At an amusement park there is a ride in which cylindrically shaped chambers spin around a central axis. People sit in seats facing the axis, their backs against the outer wall. At one instant the outer wall moves at a speed of 4.0 m/s, and an 83 kg p..
for a particle in a box of length la. what is the probability of finding the particle in the region 0ltxltl3 when n3b.
An undamped 2.23-kg horizontal spring oscillator has a spring constant of 24.3 N/m. What is the oscillator\'s total mechanical energy as it passes through a position that is 0.785 of the amplitude away from the equilibrium position
X-rays having an energy of 250 keV undergo Compton scattering from a target. Find the Compton shift at this angle
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