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If the 1 Kg standard body has an aceleration of 2.00 m/s^2 at 20 degrees to the positive direction of an x axis what are
a) the x componend and
B) the y component of the net force acting on the body and
C) what is the net force in unit-vector notation? Please show work. Thanks!
A 480 g ball swings in a vertical circle at the end of a 1.9 m-long string. What is the speed of the ball at that point
Suppose you were performing the same experiment on this crate but were doing it on the moon instead, where the acceleration due to gravity is 1.62 m/s squared. What magnitude push would cause it to move? What will be its acceleration if you maintaine..
Estimate the electric field at a point 2.40 cm perpendicular to the midpoint of a uniformly charged 2 m-long thin wire carrying a total charge of 4.10 microC.
Consider two masses that hang from an overhead beam. The first mass of 62.9 kg is attached to the beam using an ideal rope. Find the tension in the lower rope
Two people, one at each end of a uniform beam that weighs 400N hold the beam at an angle of 25 degrees to the horizontal
question1a person lifts a 3.60 kg textbook with a 52.0 n force at a 60 degree angle from the horizontal. sketch a
A ladder of mass 30 kg and length 5m leans against a frictionless wall. The angle between the ladder and the wall is 37 degree. what is the force between the ladder and the wall
A clean copper surface is exposed to light of wavelength 275 nm. What is the maximum speed of the photoelectrons emitted from this surface? Use the table below copper=4.7eV.
Two air-track gliders of equal mass are initially moving in the same direction along a straight line. What is the speed of the first glider (rearmost) after the collision
A -100× microscope has an eyepiece whose focal length is 4.5cm. find the focal length of the objective
A circular coil enclosing an area of 200 cm2 is made of 190 turns of copper wire. The wire making up the coil has resistance of 7.0 ?, what is the average current in the coil during that time
Two blocks are connected by a very light string passing over a massless and frictionless pulley, Find the total work done on 20.0-N block if ?s=0.500 and ?k=0.325 between the table and the 20.0-N block
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