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A hockey puck of mass m = 150 g is attached to a string that passes through a hole in the center of a table, as shown in the figure below. The hockey puck moves in a circle of radius r = 0.95 m. Tied to the other end of the string, and hanging vertically beneath the table, is a mass M = 0.90 kg. Assuming the tabletop is perfectly smooth, what speed must the hockey puck have if the mass M is to remain at rest?
Classify and explain the five legal theories you could use in an attempt to have the regulation declared invalid and overturned in court.
The radius of the Earth's orbit is 1.50 multiply.gif 1011 m and that of Mercury is 5.81 multiply.gif 1010 m. What is the orbital period of this planet
A betatron is a charged particle accelerator that works by generating an induced electric field to accelerate the charged particles. What is the amplitude of the oscillating electric field at a distance 0.62 m from the axis of the betatron
bob whose mass is 36 kg stands at the center of a 200 kg merry-go-round that is spinning at 30 rpm. What is the spinning rate now
Illustrate what are his weight and mass on earth and in interplanetary space where there are no nearby planetary objects?
A turtle crawls along a straight line, which we will call the x-axis with the positive direction to the right. The equation for the turtle's position as a function of time is x(t) = 50.0 cm +(2.00 cm/s)t -(.0625 cm/s^2)t^2 At what time is the turt..
Two sheets of polarizing material are placed with their transmission axes at right angle to one another. What is the intensity of the transmitted light when the middle sheet is removed
Illustrate what gravitational force do the two protons in the helium nucleus exert on each other? Their separation is approximately 1.0 fm
What is the greatest possible distance from the wall
A bicyclist makes a trip that consists of three parts, each in the same direction (due north) along a straight road, How far has the bicyclist traveled during the entire trip and What is the average speed of the bicyclist for the trip
What is the tension in each cable if angle between each and the direction the crate moves is 12°.
As part of a safety investigation, two 1200 {rm kg} cars traveling at 24 {rm m/s} are crashed into different barriers. Find the average forces exerted on (a) car that hits a line of water barrels and takes 1.80 {rm s} to stop, and (b) car that hits a..
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