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A student of weight 660 N rides a steadily rotating Ferris wheel (the student sits upright). At the highest point, the magnitude of the normal force FN on the student from the seat is 551 N.
a) Does the student feel "light" or "heavy" there?heavylightb) What is the magnitude of FN at the lowest point?c) If the wheel's speed is doubled, what is the magnitude of FN at the highest point?d) What is the magnitude of FN at the lowest point under the same conditions as in (c)?
Capacitors C1 = 5.80 µF and C2 = 2.40 µF are charged as a parallel combination across a 250 V battery. Calculate the resulting charge on each capacitor
An alpha particle is a helium nucleus and therefore consists of two protons and two neutrons. How much time passes before the alpha particle comes to rest
Consider an ideal gas at 27.0 degrees Celsius and 1.00 atmosphere pressure. What is the length L of an edge of each small cube if adjacent cubes touch but don't overlap
in astronomy it is common to expose a photographic plate to a particular portion of the night sky for quite some time
A permanent magnet is hung from a string ( balanced ) and pointed in an East - West orientation and released. Describe its motion
In tae-kwon-do, a hand is slammed down onto a target at a speed of13m/s and comes to a stop during the4.4ms collision. find the magnitude of the impulse on the hand from the target
one of your classmate has a friend with a boat. here is your classmate on water-skis being towed. in the absence of friction your classmate (m=62kg) would accelerate at 2.23m/s^2.
A solenoid of length 4.5 cm and diameter 0.85 cm is wound with 181 turns per cm. The current is decreasing at a rate of 36.6 A/s. What is the induced emf in one of the windings
A 60.0 kg crate is slid up an inclined ramp 2m long onto a platform 1.6 m above the floor level. A 452 N force, parallel to the ramp, is needed to slide the crate up the ramp at a constant speed. How much work is done in sliding the crate up the r..
Three moles of an ideal monatomic gas expands at a constant pressure of 2.00atm ; the volume of the gas changes from 3.40×10?2m3 to 4.60×10?2m3. Calculate the amount of work the gas does in expanding
A uniform plank of length 5.8 m and weight 217N rests horizontally on two supports, with 1.1m of the plank hanging over the right support. To what distance x can a person who weighs 460 N walk on the overhanging part of the plank before it just beg..
a flowerpot is knocked odd a balcony from a height d above the sidewalk. it falls toward an unsuspecting man of height
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