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An object is placed in front of a converging lens in such a position that the lens (f = 16.0 cm) creates a real image located 27.0 cm from the lens. Then, with the object remaining in place, the lens is replaced with another converging lens (f = 18.0 cm). A new, real image is formed. What is the image distance of this new image?
your sister wants to participate in the yearly science fair at her high school and asks you to suggest some exciting
An arrow is shot from a height of 1.9 m toward a cliff of height H, what is the height of the cliff in meters and what is the max height of the arrow along its trajectory in meters
a 130-m-wide river flows due east at a uniform speed of 4.3 ms. a boat with a speed of 7.3 ms relative to the water
A 10g pellet shot from a gun is moving horizontally with aspeed of 100m/s when it hits and stops in a 400g woodblock. What is the maximum compression of the spring
Unpolarized light is incident upon two polarization filters that do not have their transmission axes aligned. If 18% of the light passes through this combination of filters,
A crate of mass m = 92 kg is pushed at a constant speed up a frictionless ramp (? = 29°) by a horizontal force . The positive direction of an x axis is up the ramp, and the positive direction of a y axis is perpendicular to the ramp.
A solenoid is to have an inductance of 0.257 mH, a cross-sectional area of 5.56 10-4 m2, and a length of 39.6 cm. How many turns per unit length should it have
A catcher catches a 145 baseball traveling horizontally at 32.0. what average force did the ball exert on the catcher
A microscope has an eyepiece of focal length 2.00 cm and an objective of focal length 3.00 cm. How far from the eyepiece is the image formed by the objective
A gamma-ray photon produces an electron-positron pair, each with a kinetic energy of 230keV. What was the energy of the photon
Two children, Mary and Kate, are riding on a merry-go-round. Mary is at a greater distance from the axis of rotation than Kate. Which child has the larger angular speed? Tangential speed? Centripetal acceleration?
A projectile is fired at an angle such that the vertical component of its velocity and the horizontal component of its velocity are both equal to 19 m/s. How long does it take for the ball to reach its high point
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