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A rope attaches a tire to an overhanging tree limb. A woman winging on the tire has a centripetal acceleration of 3.0m/s squared. If the length of the rope is 2.1 meter, calculate the woman tangential speed?
The most intense beam of light that can propagate through dry air must have an electric filed whose amplitude is no greater than the breakdown value of Eair max= 3.0*10^6 V/m, CALCULATE THE MAXIMUM AMPLITUDE OF THE MAGNITIC FILED
question1a 30-kg girl is bouncing on a trampoline. throughout a certain interval after leaving surface of the
The drawing shows an edge-on view of two planar surfaces that intersect and are mutually perpendicular. Surface 1 has an area of 2.2 m2, while surface 2 has an area of 3.5 m2.
A sled may be either pulled with a rope or pushed from behind.Assume that in either case, the propelling force acts at an angleof 45° above the ground. Draw the free-body diagrams for both alternatives
The frequency and wavelength of a transverse wave on a string are 340 Hz and 0.70 m, respectively. what is the linear density of the string
Determine the inductance of a solenoid with 650 turns in a length of 20cm . The circular cross section of the solenoid has a radius of 4.1cm
An iron bar of mass, 0.81 kg, slides down a frictionless incline 0.39 m high. At the bottom of the incline it collides and sticks to a magnet of mass, 0.87 kg. What is the speed of the combined masses after collision.
In a piston cylinder assembly , the pressure and the tempreture of air are 200 KPa and the 500 c initially. The piston cross-sectional area is 0.2 m^2.The air is now cooled. what is the pressure in the cylinder
A sled weighing 100N is held in place on a frictionless 20 degree slope by a rope which is attached to a stake at the top. What is the normal force of the slope acting on the sled
Steam can cause more serious burns than water at the same temperature. Here we examine this effect quantitatively, noting that flesh becomes badly damaged when its temperature reaches 50.0 C a)Calculate the heat released as 13.0g of liquid water a..
You are piloting a small plane that can maintain an air speed of 136.5 kt (knots, or nautical miles per hour), At that heading, what will be your ground speed
rchimedes, suspect that the king?s crown is not solid gold but is instead gold-plated lead. What is the average density of the crown
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