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A chemistry student with a mass of 75 kg is riding a steadily moving Ferris wheel. When she is at the top of the Ferris wheel, the normal force from the seat on to her body has a magnitude of 557 N.
a) What is the magnitude of the normal force on her body when she is at the bottom of the Ferris wheel's arc?
b) What would the normal force be on the student at the top of the wheel if the wheel's velocity were doubled?
Consider the reaction 4He + 40Ca -> 3H + 21Sc Find the minimum laboratory kinetic energy for the 4He projectile if 40Ca is stationary
Transcranial magnetic stimulation (TMS) is a noninvasive technique used to stimulate regions of the human brain. Determine the induced emf within a circle of tissue of radius 1.9 mm and that is perpendicular to the direction of the field
A ball is thrown from a rooftop with an initial downward velocity of magnitude vo = 5.8 m/s. The rooftop is a distance above the ground, h = 43 m.
A projectile is fired with muzzle speed 150m/s, Where does the projectile hit the ground with what speed
A chair of weight 74.0 N lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of F = 47.0 N directed at an angle of 41.0^circ below the horizontal and the chair slides along floor.
A small office building air conditioner operates on 250 V AC and consumes 3.88 kW, What is its effective resistance and How is energy related to power? Check units for consistency
A 43 kg girl and an 8.4 kg sled are on the frictionless ice of a frozen lake, 17 m apart but connected by a rope of negligible mass. What is the acceleration of the girl
On the Apollo 14 mission to the moon, astronaut Alan Shepard hit a golf ball with a golf club improvised from a tool. The acceleration free-fall on the moon is 1/6 of its value on earth
The toadfish makes use of resonance in a closed tube to produce very loud sounds. Calculate the intensity of the sound wave emitted
The moon is 3.85Ã-10^8 m from Earth, and it takes 27.3 days to orbit Earth. At what speed is the moon traveling relative to Earth
Find distances between the lens and the film
The driver of a car wishes to pass a truck that is traveling at a constant speed of 20.9m/s . Initially, the car is also traveling at a speed 20.9m/s and its front bumper is a distance 23.1m behind the truck's rear bumper, What is the final speed ..
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