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in the figure below a frictionless roller coaster car of mass m tops the first hill with speed v0 at height h what is
a 1100- kg car rolling on a horizontal surface has speed v 50 kmh when it strikes a horizontal coiled spring and is
if the spring constant k 50times 102 rm nm the baby has a mass m 11rm kg and the babys legs reach a distance d 015
consider a particle of mass that is revolving with angular speed around an axis the perpendicular distance from the
as a new electrical technician you are designing a large solenoid to produce a uniform 0200 t magnetic field near its
a long and narrow rectangular loop of wire of width 0080 m is moving toward the bottom of the screen with a speed of
car 1 has a mass of m1 65000 kg and a velocity of v01 080 ms car 2 has a mass of m2 92000 kg and a velocity of v02
a 557-g bullet is moving horizontally with a velocity of 344 ms where the sign indicates that it is moving to the
if random samples each with n 36 scores are selected from a normal population with micro 80 and 18 how much
the output voltage of a 63 w transformer is 15 v and the input current is 17a by what factor is the voltage multiplied
a wagon is coasting at a speed va along a straight and level road when thirty-four percent of the wagons mass is thrown
a student sitting on a frictionless rotating stool has rotational inertia 090 kgm2 about a vertical axis through her
an 85-kg jogger is heading due east at a speed of 19 ms a 55-kg jogger is heading 24deg north of east at a speed of 38
a shot putter launches a 7240 kg shot by pushing it along a straight line of length 1650 m and at an angle of 3400deg
two identical containers are open at the top and are connected at the bottom via a tube of negligible volume and a
two 55-kg balls each with a radius of 010 m are in contact with one another what is the gravitational attraction
the figure below shows shows a 175-kg block at rest on a ramp of height h when the block is released it slides without
catching a wave a 63-kg surfer starts with a speed of 13 ms drops through a height of 175 m and ends with a speed of 82
a 350-kg seal at an amusement park slides down a ramp into the pool below the top of the ramp is 180 m higher than the
a massive steel cable drags a 200kg block across a horizontal frictionless surface a 115n force applied to the cable
jimmy has caught two fish in yellow creek he has tied the line holding the 30 kg steelhead trout to the tail of the 15
a 450kg ornament is hanging by a 100m wire when it is suddenly hit by a 300kg missile traveling horizontally at 120ms
two ice skaters with masses of 500kg and 850kg are at the center of a 400m -diameter circular rink the skaters push
a proton has a velocity of 90 101 ms 19 102 ms and is located in the z 0 plane at x 31 m y 36 m at some time t t
three long parallel straight wires pass through the vertices of an equilateral triangle that has sides l 116 cm as