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A converging lens (f = 11.9 cm) is located 30.6 cm to the left of a diverging lens (f = -5.94 cm). A postage stamp is placed 35.1 cm to the left of the converging lens. Find the overall magnification.
Find out the speed of a 56.7 kg thrill seeker at the bottom of the slide, assume no friction. If the thrill seeker has a speed of 24.1 m/s at the bottom, find out the change in mechanical energy due to friction.
A bullet is fired through a board 10.0 cm thick in such a way that the bullet's line of motion is perpendicular to the face of the board, Find the acceleration of the bullet as it passes through the board
The string changes from horizontal to vertical as it passes over a solid pulley of diameter 6.0cm. The pulley is free to turn on a fixed smooth axle. The vertical section of the string supports a 400 g object. The string does not slip at its conta..
assume a planet had a density that varied with radius according to the equation, ρ =A/r, where A is some constant. Determine a formula that gives the central pressure for this kind of planet.
This caused Goodly to borrow to meet its obligations, resulting in a drop in its stock price. Are the directors liable? Explain why or explain why not?
The two parallel plates in the figure below are 2.0 cm apart and the electric field strength between them is 2.1 104 N/C. An electron is launched at a 45° angle from the positive plate. What is the maximum initial speed v0 the electron can have witho..
A person fishing from a pier observes that five wave crests pass by in 7.4 s and estimates the distance between two successive crests to be 4.3 m. The timing starts with the first crest and ends with the fifth. What is the speed of the wave? m/s
Create a visual display for a tennis ball rolling horizontally along a table and as it goes off the table. Sketch and label all forces acting on the ball in as a minimum three different locations of its motion.
Two point charges lie along the y-axis. A charge of q1 = -9.5 ?C is at y = 6.0 m, Locate the point (other than infinity) at which the total electric field is zero
What diameter has the tip of the second hand with 100mil/hr tangential speed? What diameter has the tip of the minute hand with 100mil/hr tangential?
During this process the arrow's deceleration has a magnitude of 1600 and the block's acceleration has a magnitude of 450. Explain how long does it take for the arrow to stop moving with respect to the block?
If astronauts could travel at v = 0.950 c, we on Earth would say it takes (4.20 / 0.970) = 4.42 years to reach Alpha Centauri, 4.20 light-years away. The astronauts disagree. How much time passes on astronauts' clocks? What is the distance to Alph..
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