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a beam of light with red and blue components of wavelengths 670nm a bd 425nm respectively strikes a slab of fused
a 95 kilogram scaffold is 7 meter long it is hanging with two wires one from each end a 460 kilogram box sits 16 meter
in this problem take right as positive and up as positive regular coordinate system a rocket ship has anx-acceleration
a student tells you that if he pushes horizontally on a book which is lying on a table that he will never be able to
when kicking a soccer ball a player accelerates a her lower leg at 45radianss2 for08 s if the final angular velocity wf
a proton moves by a speed of 390106 ms horizontally at a right angle to a magnetic field what magnetic field strength
a golfer swings his club of radius 12 m at an angular velocity w of 340ordms what is the linear velocity of the club
a slug bug hits a semi truck both are going the same constant speed what one has the higher acceleration what one has
a point charge q1 -400 nc is at the point 0600 meters y 0800 meters and a second point charge q2 600 nc is at the
the electric starter in an automobile equipped with a 12 v battery draws a current of 8000 a when in operation assume
old faithful geyser in yellowstone park erupts at approximately 1 hr intervals and the height of the fountain reaches
a bat hits a moving baseball if the bat delivers a net eastward impulse of 14 n-s and the ball starts with an initial
a bucket with a mass of 30 kilogram is suspended by a rope that is wrapped around a cylinder the cylinder has a mass of
a projectile is launched horizontally to the left at 500ms off of a cliff that is 800 meters tall ignore air friction
a bicycle wheel has a diameter of 66 centimeter and a mass of 20 kilogram suppose the wheel has the characteristics of
a copper pipe has an outside diameter of 5000 cm and an inside diameter of 4700 cm what length of this copper pipe will
a 100 kilogram crate is pushed at a constant speed up a frictionless 30o inclined ramp find what constant horizontal
at the end of a factory production line boxes start at rest and slide down a 30 degree ramp 54 long if the slide is to
the electric field due to a very large sheet of charge is independent of the distance from the sheet yet the fields due
a cylinder has a diameter of 15 centimeter the water level in the cylinder is maintained at a constant height of 045
a railroad car of mass 254 x 104 kilogram is moving with a speed of 388 ms it collides and couples with three other
figure a shows an element of length ds 100 microm in a very long straight wire carrying current the current in that
consider a two lens system by focal length 10 and 5 separated by 12 cm locate the image of an object 50 cm from the 10
on planet tehar the free-fall acceleration is the same as that on earth however there is also a strong downward
a car is driven 215 kilometer west and then 85 kilometer southwest determine the displacement of the car from the point