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A golfer swings his club down to the ball in 0.2 second. At ball contact, the initial ball velocity is 50 meter per second. Determine the angular velocity of the club head at impact (assuming a coefficient of restitution of 1).
A solid metal sphere of radius a= 1.30 cm is surrounded by a concentric spherical metal shell of inner radius b= 2.50 cm and outer radius c= 3.00 cm. What is the surface charge density, sigmac, on the outer surface of the outer spherical conductor
A prism is made from a certain type of glass, and has a cross section shaped like an equilateral triangle. The indices of refraction for the red and violet light in this type of glass are 1.646 and 1.680, respectively. The angle of incidence for both..
Calculate the value of the error (only) with two decimal places for: (5.3 +/- 0.1) / (2.9 +/- 0.1) and (7.3 +/- 0.4) / (3 +/- 0.2)
A string 2.0 m long is held fixed at both ends. IF a sharp blow is applied to the string at its center, it takes 0.050 s for the pulse to travel to the ends of the string and return to the middle. What are the lowest three standing wave frequencies f..
When a 14.4-V car battery delivers a current of 60.0 A, the power consumed on its internal resistance is 36.0 W, what is the internal resistance of the battery
A hiker is wearing wool clothing of 0.40 cm thickness to keep warm. Her skin temperature is 39° C and the outside temperature is 8.0° C. what is the rate of heat conduction through her clothing
A concave mirror has a radius of curvature of 5.5 centimeter. Find the object position for which the resulting image is upright and five times the size of the object
Two objects are charged and their centers are separated by 31.6 cm. Object A is charged to 61 nC and object B is charged to 54 nC. What is the magnitude of the electrostatic force between them.
You brake your Porsche with constant acceleration from a velocity of 23.6 m/s to 12.5 m/s over a distance of 105 m. How much time elapsed during this interval
A runner rounds a circular curve ofradius 24.0 m at a constant speed of5.60 m/s. What is the magnitude of the runner's centripetal acceleration
A horizontal wire is hung from the ceiling of a room by two massless strings. The wire has a length of 0.22 m and a mass of 0.009 kg. A uniform magnetic field of magnitude 0.070 T is directed from the ceiling to the floor.
A pinecone falls straight down from a pine tree growing on a 20 degree slope. What are the components of the pinecone's impact velocity parallel and perpendicular to the ground
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