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After elbow surgery, a therapist examines the patient’s range of motion. At full extension, the angle among her forearm and upper arm is 164º. At full flexion, the angle is 43º. T0hrough the test, only her forearm was moved, while the upper arm stayed stationary. What was the angular displacement of the arm from full extension to full flexion? Please give your answers in degrees and radians.
A radio signal with a wavelength of 1.2 x10-4 m is sent to a distance asteroid, How far from Earth is the asteroid
A horizontal beam of electrons initially moving at 3.4 107 m/s is deflected vertically by the vertical electric field between oppositely charged parallel plates.
An object is determined to have an apparentm mass of 882 g in air and 643 g when immersed in water. What is the density of the object
The centripetal force on an 820 gram object on the end of a 2.0-m massless string being swung in a horizontal circle is 4.0 N. What is the linear speed of the object?
the amusement park ride is going to rotate passengers around a vertical axis such that the supporting cables make a theta= 30 degree angle which vertical. Find the needed rate of rotation of the ride
q1. a 0.850 kg block is attached to a spring with spring constant 16.0 nm. while the block is sitting at rest a student
to heat 1 cup of water 250 cm3 to make coffee you place an electric heating element in the cup. as the water
A 91 g arrow is fired from a bow whose string exerts an average force of 115 N on the arrow over a distance of 78 cm. Illustrate what is the speed of the arrow as it leaves the bow?
A converging lens of focal length is being used with a writer as a magnifying glass to read some fine print on his book contract. Initially, the writer holds the lens above the fine print so that its image is at infinity. To get a better look, he the..
formula use in nuclear plant? what can i talk about with nuclear plant. i am doing a report about chernobyl disaster
a volleyball spiked so that its incoming velocity of +4.0m/sis changed to an outgoing velocity of -21m/s. The mass of thevolleyball is 0.35 kg. what impulse does the player apply to the ball
two long and parallel straight wires a and b carrying currents of 8.0 a and 5.0 a in the same direction are separated
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