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huck finn walks at a speed of 070 across his raft that is he walks perpendicular to the rafts motion relative to the
in which case is it more likely that we may neglect non-ohmic effects due to the heating of the circuit by the current
two capacitors are connected to a battery the battery voltage is v 50 v and the capacitances are c1 200 microf and c2
an electron has an initial velocity of 110j 150k kms and a constant acceleration of 400x1012 ms2 in a region in which
a 868x105-m- long pipeline has an inside diameter of 12 in and can be supplied with oil at 35ls a what is the volume of
a 1000 kg rocket sled at rest on level frictionless rails is loadedwith 25kg of propellent it exhaust the propellant in
pressure is defined as force divided by area what are the dimensions of pressure express pressure in terms of si base
consider an airplane that normally has an air speed of 90 kmh in a 95 kmh crosswind blowing from west to east calculate
the magnitude of the vectors f is 30 n the force on the right is applied at an angle 64 degrees and the the mass of the
a placekicker must kick a football from a point 360 m about390 yd fm the goal and the ball must clear the crossbar
driving home from school one day you spot a ball rolling out into the street see the figure you brake for 140 slowing
a glass window 035cm thick measures 84cm by 84cm how much heat flows through this window per minute if the inside and
what is the minimum photon energy needed to create an electron - positron pair when a photon collides a with a free
the earths orbit is nearly circular but not quitethe radial motion oscillates in a narrow range around the minimum of
a person with a blackbelt in karate has a fist that has a mass of 063 kg starting from rest this fist attains a
during a circus performancea 72 kg human cannonball is shot out of an 18m long cannon if thehuman cannonball spends 095
a coin with a diameter of 17 cm is dropped on its edge onto a horizontal surface it starts rolling with an initial
a hand exerciser utilizes a coiled spring a force of 850 n is required to compress the spring by 00151 m determine the
a neutron hits a stationary deuteron and scatters 90 degrees from its original direction of motion the collision is
the rocket above has an exhaust gas velocity of 2723 ms and a burn rate of 5149 kgs if it has a mass of 1000000 kg what
how is coulombs law used to calculate the electric force between particles the electric potential energy of a charge
two point charges of equal magnitude are 76 cm apart at the midpoint of the line connecting them their combined
discuss the electric nature of conductors include a discussion of conductors in electrostatic equilibrium and
a 54 kg person is parachuting and experiencing a downward acceleration of 20 ms2 the mass of the parachute is 76 kg a
a 4mm diameter circular coil of 25 turns and total resistance 0001omega lies in the x-y plane at a distance of 3m from