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a spring-loaded gun fired vertically shoots a marble 64 m straight up in the air what is the marbles range if it is
the speed of a car increases uniformly with time from 50kmhr at a to 100kmhr at b during 10 secondsthe radius of
a skier is gliding along at 30 ms on horizontal frictionless snow he suddenly starts down a 13 degree incline his speed
a rifle is aimed horizontally at a target 51m away the bullet hits the target 20cm below the aim point what was the
the rms current in a 44- resistor is 050 a what is the peak value of the voltage across this
you jump horizontally from a cliff next to the ocean at a speed of 78 ms the cliff is 339 meters above the ocean how
question 1 explain two methods to make grapheme2 explain two methods to make quantum dots3 explain the
a swimmer heads directly across a river swimming at 149 ms relative to the water she arrives at a point 420 m
an airplane pilot wishes to fly to his destination 500 mi due west but the wind is blowing at 215 mihr toward 189deg
a 475 kg concrete beam should be raised by a 100 m from the ground how much power is needed to do the job in 24
illustrates several of the concepts used in this problem a single electron orbits a lithium nucleus that contains three
an airplane flying upward at 353 ms and an angle of 300deg relative to the horizontal releases a ball when it is 255 m
a what will be the objects acceleration if it is pulled by six rubber bandsms2b what will be the acceleration of three
the current in a 69- resistor is 015 a this resistor is in series with a 37- resistor and the series combination is
a supply plane needs to drop a package of food to scientists working on a glacier in greenland the plane flies 112 m
it takes a force of 800 n to compress the spring of a toy popgun 0200 m to load a 0180-kg ball with what speed will the
a piece of nichrome wire has a radius of 72 x 10-4 m it is used in a laboratory to make a heater that dissipates
a ball thrown horizontally at 23 ms travels a horizontal distance of 55 m before hitting the ground from what height
on the apollo 14 mission to the moon astronaut alan shepard hit a golf ball with a golf club improvised from a tool the
a 010-kg object with a velocity of 020 ms in the x direction makes a head-on elastic collision with a 015 kg object
an object starts from rest and undergoes uniform acceleration during the first second it travels 50 m how far will it
a stone is thrown horizontally with an initial speed of 10 ms from the edge of a cliff a stop watch measures the stones
the coefficient of static and kinetic frictions between a 30-kg box and a desk are 040 and 030 respectively what is the
two boxes are connected by a cord running over a pulley as shown in fig 1 box i of mass 80 kg rest on the top of the
three resistors r1 120 r2 180 and r3 360 are connected in parallel and in turn connected to a 700 v source with