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if the speed limit is 60 mph was car a speedingroad new wet asphaltcar a with a mass of 2500 kg collides with car b
a book is pushed with a horizontal force of 50 n on a horizontal table and moves with constant velocity what is the
1 a rocket has an upward acceleration at 90t ms2 fpr the first 5 seconds of its flight and thereafter is in
a flat circular plate of copper has a radius of 0165 m and a mass of 75 kgwhat is the thickness of the plate answer in
at takeoff a commercial jet has a 550 ms speed its tires have a diameter of 0550 ma at how many rpm are the tires
a contestant in a winter games event pulls a 350 kg block of ice across a frozen lake with a rope over his shoulder as
what pressure is required to force water into a pore with a diameter of 100 nm assume the contact angle of the water
if an ice cube melts at 0oc but water also freezes at 0oc what is the difference between melting and freezing in terms
will a toroidally-wound circular tubing continuously propel a magnet around the tube when a current is applied to the
1 during a lunar eclipse the moon is in the shadow of the earthnbspwhy does the moon have a faint red color during the
a heat engine has a source of 14000 cal and lose 300 cal converting it into work how much mechanical work was
suppose you walk 105 m in a direction exactly 25deg south of west then you walk 205 m in a direction exactly 41deg west
a child sits in a swing at a playground her father pulls her back and releases her so that she swings back and forth
two charged particles are fixed to an x axis particle 1 of charge q1 21 x 10-8 c is at position x 20 cm and particle
an automobile with 0260 m radius tires travels 65000 km before wearing them out how many revolutions do the tires make
if a car takes a banked curve at less than the ideal speed friction is needed to keep it from sliding toward the inside
fnbsp -3918 where all components are in newtons if a vectors direction is measured counterclockwise from the
a 65 kg man raises himself from the ground to a tree branch at a height of 5 m above him by holding onto a rope that
anbsp1200 kg aircraft goingnbsp40 ms collides with anbsp2500 kg aircraft that is parked and they stick together after
two atomic clocks are synchronized one is placed on a satalite which orbits around the earth at high speed for a whole
a proton of mass m at rest is struck head-on by an alpha-particle which consists of 2 protons and 2 neutrons moving at
a particle moves along the x-axis according to xt 10t - 2t2 m what is the instantaneous velocity at t 2 s and t 3 s
hi i have some question about acceleration labthis is my datatrial 1 to 61- slop ms2 9782- slop ms2 9863- slop ms2
anbsp40-kg child runs at 8 msnbspa calculate the childs kinetic energyb if the child could convert all of the kinetic
suppose vector e vector a - vector b where vector a 20m at 300 degrees from positive x axis and vector b 1200