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A set of 57 playing cards of length L = 15 cm are stacked on theedge of a table so that the length of the overhang of the top cardwith respect to the table is maximized. A stack of only 6 suchcards is illustrated.
a) What is the overhang distance of the tip of the top card?b) How many cards are needed to extend the total overhang of thetop card to at least 28 cm?c) What is the offest distance between cards 27 and 28, assumingthat the top card is number 1?
you are on a boat in a fog and know there are cliffs ahead of you somewhere, but you cannot see them. How far away are the cliffs
Two ships are floating at rest in the ocean somewhere. Ship A (1100kg with an escape pod onboard) fires an escape pod horizontally at ship B (2000kg). What is the speed of the escape pod after it left the ship A? Assume that the ship glides throug..
You are driving into St. Louis, Missouri, and in the distance you see the famous Gateway-to-the-West arch. This monument rises to a height of 192 m. You estimate your line of sight with the top of the arch to be 4.5° above the horizontal. Approxim..
A string passing over a pulley has a 3.70 kg mass hanging from one end and a 2.60 kg mass hanging from the other end. What is the average frictional torque acting on the pulley
Three point charges, -5.2 x 10-9 C, -8.1 x 10-9 C, and +7.7 x 10-9 C, are fixed at different positions on a circle. The total electric potential at the center of the circle is -2300 V
A 1.5 kg box moves back and forth on a horizontal frictionless surface between two different springs with spring constants of 16 N/cm and 32 N/cm. What is the maximum speed the box will reach
A light source, S, is located 2.60m below the surface of a swimming pool and 1.30m from one edge of the pool. The pool is filled to the top with water.
A bowling ball encounters a 0.76 m vertical rise on the way back to the ball rack, as the drawing illustrates. find the translational speed at the top
Two blocks, masses m1 and m2 are connected by an ideal string passing over an ideal pulley. Find the acceleration of each block
The Pfund series results from emission/absorption of photons due to transitions of electrons in a hydrogen to/from the n = 5 energy level from/to higher energy levels
a 50 kg sprinter, starting from rest, runs 50 m in 7.0 s at a constant acceleration. what is the sprinter's power output during the final 2.0 s
The time constant of an RL circuit with L = 25 mH is five times the time constant of an RC circuit with C = 40 µF. What is the time constant of the RL circuit
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