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a 175 kg cart is moving with a velocity of 765 ms down a level hallway a constant force of -100 n acts on the cart and
although they dont have mass photons-traveling at the speed of light-have momentum space travel experts have thought of
in the 1950s an experimental train that had a mass of 200 104 kg was powered across a level track by a jet engine that
toni has a mass of 43 kg and is moving with a speed of 116 ms assume that air resistance is negligiblea find tonis
a comet with a mass of 775 1011 kg strikes earth at a speed of 26 kmsa find the kinetic energy of the comet in joulesjb
an 8750-kg compact car speeds up from 220 ms to 440 ms while passing another carwhat are its initial and final
a large tank is divided into two parts by a partition the first part contains 5 kg of refrigrtant-134a at 80oc 900 kpa
a doubly charged helium atom whose mass is 66 10- 27 kg is accelerated by a voltage of 2400 vwhat will be its radius
an electron is projected vertically upward with a speed of 150 106 ms into a uniform magnetic field of 0200 t that is
positively charged aluminum ion al3 has a mass of 450 1026 kg after being accelerated through a potential dierence of
object o1 is 147 cm to the left of a converging lens with a 120-cm focal length a second lens is positioned 100 cm to
a beam of sunlight encounters a plate of crown glass at a 3650deg angle of incidence crown glass has n 1520 for red
if you hold a horizontal metal bar several centimeters above the ground and move it through grass each leaf of grass
two ice skaters daniel mass 631 kg and rebecca mass 459 kg are practicing daniel stops to tie his shoelace and while
a typical american family uses 600 kwh of electricity a monthwhat is the average current in the 120 v power line to the
a uniform meter stick is in static rotational equilibrium when a mass of 220g is suspended from the 50-cm mark a mass
the electromagnetic wave that delivers a cellular phone call to a car has a magnetic field with an rms value of 160
for the infinite square well problem an electron spends 40 of its time in the n3 state and 60 of its time in the n5
each second 5525 m3 of water flows over the 670-m-wide cliff of the horseshoe falls portion of niagara falls the water
an iceberg floating in seawater as shown below in figure is extremely dangerous because much of the ice is below the
suppose a rocket ship in deep space moves with constant acceleration equal to 980 ms2 which gives the illusion of
astrophysicists in the 1960s tried to explain the existence and the structure of pulsars - extremely regular
assuming the earths magnetic field averages about 05010-4 t near the surface of the earth estimate the total energy
a ball is dropped from a boat so that it striks the surface of a lake iwth a speed of 165 fts ball experiences
a neodymium-glass laser emits short pulses of high-intensity electromagnetic waves the electric field of such a wave