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an 845 kg dragster accelerates from rest to 100 kmh in 090secondsa what is the change in momentum of the carb what is
to monitor the breathing of a hospital patient athin belt is girded around the patients chest the belt is a233 turn
a crate with a weight of 50n rests on a horizontal surface a person pulls horizontally on it with a force of 10n and it
an iron bolt is used to connect two iron plates together the boltmust withstand shear forces up to about 3000 n
an acoustic signal is composed of the first three harmonics of awave of fundamental frequency 370 hz if these harmonics
a precious-stone dealer wishes to find the specific heat capacityof a 0040-kg gemstone the specimenis heated to 950degc
a 10-kg block of ice has a temperature of -12degc the pressure is one atmosphere theblock absorbs 412 multiplied by
batman mass 91 kg jumps straight down the from a bridge into a boat mass 510 kg in which a criminal is fleeing the
a cannon is fired horizontally from atop a400 m tower the cannonball travels 160 mhorizontally before it strikes the
an astronaut on the moon fires a projectile from a launcher ona level surface so as to get the maximum range the
a boy on a 2kg skateboard initially atrest tosses an 8kg jug of water in theforward direction if the jug has a speed of
an electron is released from rest at the negative plate of aparallel plate capacitor the charge per unit area on each
how to find dielectric constant of paper teflon rubber silicon and concrete or any other 5 mediums and compare their
linear polarizers whose transmission axes make an angle of 45degree with each otherthe transmitted light intensity
during a process described by the photoelectric effect ultraviolet light can be used to charge a piece of metala if
the magnetic field inside a superconducting solenoid is510 t the solenoid has an inner diameterof 620 cm and a length
a 63kg astronaut is on a spacewalkwhen the tether line to the shuttle breaks the astronaut is ableto throw a spare 5kg
a mass spectrometer has an adjustable magnetic field when themagnetic field is 1000e-1 t a singly ionizedhydrogen atom
high speed stroboscopic photographs show the head of a 215g golf club traveling at 51ms just before it strikes a 46g
a long horizontal wire with linear mass densitylambda 475times10minus3 kgm carries acurrent of 0534 a the wire is
a point source of light is submerged 22 meters below the surfaceof a lake and emits rays in all directions on the
a house painter is standing on a uniform horizontal platform thatis held in equilibrium by two cables attached to
the radius of a wheel is 0500 m a rope is wound around the outer rim of the wheel the rope is pulled with a force of
a race-car drive buys a car that can accelerate at 59ms2 theracer decides to race against another driver in a crappy
a 30-kg girl and a 25-kg boy face each other on friction-freeroller skates the girl pushes the boy who moves away at