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an object slides down a frictionless inclined plane at the bottom it has a speed of 980 ms what is the vertical height
a 300-kg steel ball strikes a massive wall at 100 ms at an angle of 600 degrees with the plane of the wall it bounces
message which of the following represents two things that are identicala the sequences of dna in two sister chromatids
an object 100-kg slides upward on a slippery vertical wall a force of 60n at an angle of 60 degreesa determine the
a 100n force acts for 005s on a 10kg ball with an initial velocity of -20msa what is the initial momentum of the ballb
a racing dog is initially running at 150 ms but is slowing downa how fast is the dog moving when its kinetic energy has
a point like charge of 20nc sits at the center of a thick spherical shell of inner radius 4cm and the outer radius 6cm
two infinite straight lines of charges run parallel to each other at a distance of 10cm both lines are uniformly
during the investigation of a traffic accident police find skid marks 900 m long they determine the coefficient of
a 60 kg trunk is pushed 40 m at constant speed up a 30deg incline by a constant horizontal force the coefficient of
calculate the electrical potential at the center of the square described as follows four charges are placed at the
the drive propeller of a ship starts from rest and accelerates at 300 x 10-3 rads2 for 270 x 103 s for the next 190 x
consider a resistor series rc circuit with a 67 microf capacitor a 45 times 106 resistor and 38 v emf find the maximum
a force f is applied horizontally to a block of mass 2 kg which nevertheless slides down a frictionless 5-m plane
a planet z has a hole bored in it at its equator and a shaft of light from its star goes straight down that hole to the
an ocean thermal-energy power plant takes in warm surface water at a temperature of 26oc and releases heat at 12oc to
some bacteria are propelled by motors that spin hair-like flagella a typical bacterial motor turning at a constant
a 0958 kg block of copper initially at 300oc is dropped into an insulated container with a large quantity of liquid
after 126 s a spinning roulette wheel has slowed down to an angular velocity of 282 rads during this time the wheel has
a person is riding a bicycle and its wheels have an angular velocity of 106 rads then the brakes are applied and the
during a baseball game a batter approaches the plate the pitcher hurtles the ball in the direction of the batter at a
a spring stretches by 00241 m when a 415-kg object is suspended from its end how much mass should be attached to this
a simple pendulum is made from a 0739-m-long string and a small ball attached to its free end the ball is pulled to one
a tow truck pulls a car 400 km along a horizontal roadway using a cable having a tension of 910 na how much work does
a 1212 n carton is pulled up a frictionless baggage ramp inclined at 270 degrees above the horizontal by a rope