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A 84 gram arrow is fired from a bow whose string exerts an average force of 115 Newton on the arrow over a distance of 73 centimeter.
Find the speed of the arrow as it leaves the bow?
A planet orbits a star, in a year of length 2.10 x 107 s, in a nearly circular orbit of radius 1.31 x 1011 m. With respect to the star, evaluate the tangential speed of the planet
a pair of parallel plates is charged by a 12-v battery. if the electric field between the plates is 1200 n/c, how far apart are the plates
If the two halves of the log only separate by a distance of 0.05m while the wedge travels 0.2m into the log, how much force is the wedge exerting on the two halves of the log to rip them apart.
A parachutist with a camera, both descending at a velocity of 12 m/s, releases that camera at an altitude of 120 m.
question1an airplane is flying with a velocity of 82.0 at an angle of 18.0 above horizontal. while the plane is a
A baseball player hits a baseball (m=.14kg) the ball is initiallytraveling horizontally with a speed of 40 m/s. The batter hits afly ball with speed vf=55m/s. What is the magnitude anddirection of the impulse imparted to the ball?
An object is solid throughout. When the object is totally submerged in ethyl alcohol, its apparent weight is 15.1 N. When completely submerged in water, its apparent weight is 12.8 N. What is the volume of the object?
If a metal target is bombarded with electrons which have been subjected to a potential difference of 44 kV, the minimum wavelength of the X-rays produced is about?
a a point charge q 4.40 microc is held fixed at the origin. a second point charge q 2.0 microc with mass of 2.80 10-4
A student bikes to school by traveling first = 1.10 north, then = 0.300 west, and finally = 0.100 south. what distance would the bird cover
a proton is located at the origin and a second proton is located on the x-axis at x 6.82 fm 1 fm 10-15 m.a calculate
Two cars approaching each other collide and stick together after the collision. One car has a mass of 1820 kg, What was the initial velocity of the second car
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