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An archer shoots an arrow toward a 300 g target that issliding in her direction at a speed of 3.50 m/s on a smooth,slippery surface. The 32.5 g arrow is shot with a speed of35.0 m/s and passes through the target, which is stopped by the impact.
a) What is the speed of the arrow after passing through the target?
In exercise physiology studies it is sometimes important to determine the location of a person's center of mass. How far from the woman's feet is her center of mass
A long straight wire is carrying a current of 2.4 A in a region where the magnetic field is perpendicular to the wire. If the magnetic field is 0.52 mT, what is the magnitude of the force on 3.0 m of the wire?
(a) Find the components of the net electric field at the origin. Ex = , Ey = (b) Find the magnitude and direction of the net electric field at the origin. |E| = at direction (from +x axis).
69 J of work are needed to stretch a spring from 1.4 m to 2.9 m from equilibrium. What is the value of the spring constant
a series ac circuit contains a resistor an inductor of 240 mh a capacitor of 4.40 microf and a source with ?vmax 240 v
A 2360{\rm kg} satellite used in a cellular telephone network is in a circular orbit at a height of 750{\rm km} above the surface of the earth. What is the gravitational force on the satellite
Determine the blaze angle if light of 395 nm impinges on a grating having a grove density of 1255 lines per mm
A heat engine working between 340.0oC and 630.0oC, takes in 8.277×106 J of heat and delivers 2.100×106 J of work per cycle. What is the maximum possible efficiency of an engine
The Beretta Model 92S (the standard-issue U.S. army pistol) has a barrel 127 long. The bullets leave this barrel with a muzzle velocity of 334 .What is the acceleration of the bullet while it is in the barrel, assuming it to be constant?
An astronaut leaves Earth in a spaceship at a speed of 0.280C relative to Earth. If the destination is a star system 12.5 light-years away as measured by an observer on Earth, what is the distance to the star system as measured by the astronaut..
The electric field has a constant value of 3.30 103 V/m and is directed downward. Find the potential at the following points
Two hockey players strike a puck of mass 0.169 kg with their sticks simultaneously, exerting forces of 1.25 103 N, Find the instantaneous acceleration of the puck
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