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A chipmunk scampers about collecting in its cheeks safflower seeds that the birds dropped from the feeder hanging overhead. Initially the little creature is at position vector r1x = 2.45 m and r1y = -2.13 m. After filling up, it runs to the hole at position vector r2x = -1.89 m and r2y = 4.37 m that leads to its underground nest. Find the components of the chipmunk\'s displacement vector for this expedition, ?rx and ?ry.
A car moving with an initial speed v collides with a second stationary car that is one-half as massive. Find the final speed of the second car
A block of mass m = 2.00 kg is attached to a spring of force constant k = 415 N/m, Find the speed the block has as it passes through equilibrium
An automobile with 0.250 m radius tires travels 60,000 km before wearing them out. How many revolutions do the tires make
Illustrate what is the absolute pressure at a point that is 9.82 cm below the ethyl alcohol-mercury interface?
Helium-neon laser light of wavelength 1004.5 nm is sent through a 0.473 mm wide single slit. What is the width of the central maximum on a screen 1.58 m from the slit? Answer in units of mm
A long-jumper leaps of the horizontal at a speed of 11.0 m/s at an angle of 20 degrees. what is his toal distance traveled
Suppose that you find the volume of all the oceans to be 1.4\times10^9\; \rm km^3 in a reference book. What is this volume in cubic meters
(from Roger Ordidge, with alterations) The magnetic field can store energy, but it can do 110 work. Therefore, another agency must be responsible for doing the work that puts the energy into the magnetic field.
q1. a 20 kg block is at rest on a horizontal floor. if you push horizontally on the 20 kg block with a force of 50 n it
A soccer player kicks the ball toward a goal that is 21.0 m in front of him. Find the speed of the ball when the goalie catches it in front of the net
Each second, 1150 m3 of water passes over a waterfall 95 m high. At what rate does the generator produce electrical energy
Consider an LC circuit in which the inductance is 345 mH and the capacitance is 0.13 muF. What is the resonant angular frequency
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