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an object has an equation of motion given by x -2t2 2t - 5 what is the displacement of the particle from t 1s to t
an alkaline d-cell has a voltage of 14v and is rated as 11000mah find the total charge available from the
a rock is dropped from a bridge to the water below it takes 24 s to hit the water find the final speed of the rock when
water has a mass per mole of 180 gmol and each water molecule h20 has 10 electrons how many electrons are there in 224
an electron is a subatomic particle m 911 x 10-31 kg that is subject to electric forces an electron moving in the x
a cosmic ray travels 60km through the earths atmosphere in 450us as measured by experimenters on the groundhow long
an unstrained horizontal spring has a length of 031 m and a spring constant of 190 nm two small charged objects are
two very small spheres are initially neutral and separated by a distance of 066 m suppose that 61 x 1013 electrons are
water is poured into a container that has a leak the mass m of the water is given as a function of time t by m 45t08 -
during heavy rain a section of a mountainside measuring 51 km horizontally 078 km up along the slope and 095 m deep
a proton orbits a long charged wire making 180 revolutions per second the radius of the orbit is 110 a what is the
for about 10 years after the french revolution the french government attempted to base measures of time on multiples of
a sea lab 50 m high is to be designed to withstand submersion to 150 m measured from sea level to the top of the sea
spacing in most book are generally done in units of points and picas 12 points 1 pica and 6 picas 1 inch if a figure
a horizontal beam of electrons initially moving at 42 107 ms is deflected vertically by the vertical electric field
at an instant when a soccer ball is in contact with the foot of the player kicking it the horizontal or x component of
a point charge of 61 microc is at the center of a cubical gaussian surface 60 cm on an edge what is the net electric
a physics instructor drives down to st louis to see his mom on the way there he travels the first half of the time at
during a heavy rain the drops are falling at a constant velocity and at an angle of 95deg west of the vertical you are
an athlete needs to lose weight and decides to do it by pumping irona how many times must an 540 kg weight be lifted a
a 30nc charged particle and a 50nc charged particle are near each other there are no other charges nearby the electric
a 130 g copper bowl contains 240 g of water both at 200degc a very hot 440 g copper cylinder is dropped into the water
a droplet of ink in an industrial ink-jet printer carries a charge of 2e-10 c and is deflected onto a paper by a force
the coefficient of linear expansion os steel is 0000012c a section of a railroad track consists of 50 km in length by
infrared light of wavelength 25micrometers illuminates a 020-mm-diameter holepart a what is the angle of the first dark