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A diver springs upward from a diving board. at instant she contacts the water , her speed is 8.90m/s. and her body is extended at an angle7.50degrees. with respect to the horizontal surface of the water, at this instant her vertical displacement is -3.00m, where downward is the negative direction. determine her initial velocity, both magnitude and direction.
a u shaped tube with a constant radius is filled with water and oil as shown. the water is a height h1 0.37 m above
Two particles with charges +5e and -5e are initially very far apart (effectively an infinite distance apart). They are then fixed at positions that are 6.78 x 10-13 m apart
An sub with a mass of 1800 kg is traveling eastbound at 17 m/swhile a compact car with mass of 900 kg is traveling westbound witha speed of 15 m/s the cars collide head-on becoming entangled.
if i car was travling at 22.2 m/s and went to 30.5 m/s in 5.2m/s what is the cars displacement during this maneuver
A girl is whirling a ball on a string around her head in ahorizontal plane. She wants to let go at precisely the right timeso that the ball will hit a target on the other side of the yard. When should she let go of the string
one point-like charge of -20 nc is placed 3 cm away from a very large planar sheet of charge. the surface charge
q1. if 730 nm and 675 nm light passes throughout two slits 0.63 mm apart how far apart are the second-order fringes for
A light string that does not stretch changes from horizontal to vertical as it passes over the edge of a table. The string connects m1, a 3.4 kg block, originally at rest on the horizontal table at a height 1.27m above the floor, to m2, a hanging ..
A mass m=4.8kg hangs on the end of a massless rope L=1.92m long. The pendulum is held horizontal and released from rest. what is the maximum mass that can be used
what happens to light of a particular frequency when it is incident upon the material that natural frequency is the same as the frequency of the light.
Living cells "pump" singly ionized sodium ions, Na+, from the inside of the cell to the outside to maintain a membrane potential V membrane=Vin V out= -71mV It is called pumping because work must be done to move a positive ion from the negative insid..
An inverted cylindrical tube is immersed in water with 20.0 cm protruding from the surface, what will be the final pressure of the air
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