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A roller coaster executes a 10 meter radius loop-the-loop at a speed of 20 meter per second. Determine how heavy does a 50 kg passenger feel at the top of the loop? (Hint: draw a free body diagram. The apparent weight of the passenger is the normal force on the passenger).
on a ferris wheel with a 15 m radius, going one loop every 7 seconds, what is the acceleration? What is the ratio of your true weight vs apparent weight
A 50 kg woman stands on the back of a 6 m long, 125 kg raft that is floating at rest in still water with no friction. The raft is 0.50 m from a fixed pier.
A certain cavity has a temperature of 1150 K. (a) At what wavelength will the intensity of the radiation inside the cavity have its maximum value? [Do NOT need the answer to part (a); it is 2.52 mu m] (b) As a fraction of the maximum intensity, what ..
The sun and solar system actually are not at rest in our milky way galaxy. what would be the mass of the galaxy
A proton is fired directly into a uniform electric field that is able to bring the charge momen- tarily to rest. How much work does the electric field do in stopping the proton
q. a cannon tilted upward at 33 fires a cannonball with a speed of 99. at that instant what is the component of the
An advertisement claims that a centrifuge takes up only 0.127m of bench space but can produce a radial acceleration of 3000g at 5000 rev/min. Calculate the required radius of the centrifuge
A solid sphere is released from rest and allowed to roll down aboard that has one end resting on the floor and is tiltedat 39° with respect to the horizontal. what is the sphere's speed when it reaches the lowest end of the board
q1. two 75.0 w 120 rm v light bulbs are wired in series then the combination is connected to a 230 v supply. how much
A basketball player grabbing a rebound jumps 73.3 cm vertically. How much total time (ascent and descent) does the player spend (a) in the top 13.1 cm of this jump and (b) in the bottom 13.1 cm? Do your results explain why such players seem to han..
The work function for a metal surface is 5.22 eV. What is the largest wavelength of light in nm that will produce photoelectrons from this surface
Determine the gauge pressure and absolute pressure at a location 15 meter below the surface of sea
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