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starting from rest a boat increases its speed to412 ms with constant acceleration what is the boats average speed if it
a block of mass msits on an inclined plane angle theta the mass of the block is 30kg and the coefficient of static
you are driving your new 911 turbo porsche on river road no police you enter a curve with a radius of 100m on a flat
in determining the specific heat of a new metal alloy 150g ofthe substance is heated to 400c and then placed in a 200g
a 003 kg bullet hits asteel plate and melts and splatters on impact assuming thatthe bullet recieves 80 of the
a source emits sound uniformly in all directions a radialline is drawn from this source on this line determine the
a mass of 75 kg oscillates on a light spring and another 75kg oscillates as the bob of a simple penulum in shmnbsp if
an electron is accelerated from rest in a uniform electricfield of intensity 420 nc find the following1 its velocity
a parallel-plate capacitor is charged to a potentialdifference of 12 v the area on each plate is 20 cm2 and the spacing
four equal point charges q are fixed at the corners of a square of side b a what istheir total electrostatic potential
apartment dweller will testify that bass notes are more distincty heard from music played in nearby apartments why do
the longest recorded pass in an nfl game traveled 84 yards in the air from the quarterback to the receiver assuming
a storage tank has a diameter of 80 ft a height of 25 feet and contains oil to a height of 15 ft the suction pumps
a piece of sandston with a bulk volume of 13 cc is contained ina 5-cc cell filled with helium at 760 mm hg temperature
an 18-year-old runner can complete a 100 km course with an average speed of 457 ms a 50-year-old runnercan cover the
a bullet leaves the muzzle of a gun at a speed of 400ms thelength of the gun barrel is 050m assuming the bullet was
over a time interval of 189 years thevelocity of a planet orbiting a distant star reverses direction changing from 200
a child holds a candy bar 100 cm in front of a convex mirrorand notices that the image is only one-half the size of the
the picture below represents the crests of water waves spreading out from a periodic disturbance in a pond the phase
jack and jill ran up a hill at 34 ms the horizontal component of jills velocity vector was 25 ms what was theangle of
a child holds a candy bar 100 cm in front of a convex mirror andnotices that the image is only one-half the size of the
a rifle is aimed at a target that is 55m away the bullet hits the target 15cm below the aim point1 what was the bullets
two converging lenses each of focal length 150 cm are placed400 cm apart and an object is placed 300 cm in front of the
a system consisting of one positively charged particle and onenegatively charged particle is altered by an outside
starting from rest several toy cars roll down ramps with differing lengths and angles rank them by their speed to the