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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
an unknown substance has a mass of 0125 kg and an initial temperature of 994degc the substance is then dropped into a
an aluminium cup contains 225 g of water and a 40 g copper stirrer all at 27degc a 400 g sample of silver at an initial
a dolphin in 25 degrees c sea water emits a sound directed toward the bottom of the ocean 213 m below how much time
a skier travels down the trail the slope is inclined at an angle of 22 degree and the coefficient of kinetic friction
a harmonic wave is traveling along a rope the oscillator that generates the wave completes 410 vibrations in 251 s a
a student drops two metallic objects into a 120 g steel container holding 150 g of water at 25degc one object is a200 g
a 450 kg penguin runs onto a huge horizontal sheet of frictionless ice the sheet lies on the xy-plane at t 0 s it is