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an empty coffee mug isaccidentally pushed horizontally off the shelf of your kitchencupboard the mug was 136 m off the
two force act on a 50kg object sitting on a frictionless horizontal surface one force is 30 n in the x direction and
a 200kg shell is fired from a gun with an initial velocity of200metersecond the angle of elevation of the gun is450a
an 3kg body is fastened to a weightless rod 3meters long to form apendulum what is the increase in the potential energy
a helium-neon laser of the type often found in physicslaboratories has a beam power of 700 mw at a wavelength of 633
the intake in figure 14-44 has cross-sectional area of075 m2 and water flow at040 ms at the outlet distanced 180 m
elastic conducting material an elastic conductingmaterial is stretched into a circular loop of 19 cm radius it is
the brightest star in the night skyis sirius which is at a distance of 830times1016 mwhen we look at this star how far
an object is placed 240 cm to the left of a diverging lensf -589 cm a concave mirror f 168 cm isplaced 367 cm to the
a boeling mass m and radius r is thrown so that theinstant it touches the floor it is moving horizontally with
water waves approach an underwater shelf where the velocity changesfrom 28ms to 25ms if the incident wave crests make a
a dam on a fresh water lake has a rectangular shape with a width of 150 m if the water depth at the dam is 30 m what is
a rolling ball moves from x1 34cm to x2 -42cm during the timefrom t1 30s to t2 51s what is its average
in the figure 25-31 the battery has a potential difference ofv 100 v and the five capacitors each have a capacitanceof
the linear accelerator at stanford university slac is 200 mileslong and is used to accelerate electrons if an electron
angular projectile motion a 2-stage rocket is launched at an angle of 530deg above the horizontal with an initial speed
a spacecraft is moving past earth with a velocity of 07c it launches a rocket that moves in the same direction as the
a geodesic dome constructed with an aluminum framework is a nearlyperfect hemisphere its diameter measures 560 rm m on
light is observed to converge to a point after being reflected froma plane mirror were the incident rays parallel
a super nova releases 10times1045 j of energyit is 1670 ly from earth if you were facing the star in questionand your
a machines part rotates at an agular speed of 06rads itsspeed is then increased to 22rads at an angular acceleraton
a 150 turn conducting coil with a radius of 183cm rotates ata frequency of f 490hz in a magnetic field b 0230t
a circular coil with one turn is in a perpendicular timedependent magnetic field given by b 0400 -00800 t tesla where
illustrates how the forces can vary in problemsof this type a hiker who weighs 857 n is strolling through the woods and
a portion of a roller coaster track is described byh094x-0010x2 where h and x are height and horizontalposition in