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200 ml of coffee density 1000kgm3 specific heat 4186jkg c is insulated in a mug at a temp of 85c if 25ml of cream
the resistance and the magnitude of the current depend on the path that the current takes the drawing shows three
in a heart pacemaker a pulse is delivered to the heart 81 times per minute the capacitor that controls this pulsing
a 100 m long wire of mass 123 g is stretched under a tensionof 255 n a pulse is generated at one end and 200 ms later
the one arm of a centrifuge is a solid cylinder ofaluminum with a length of 010 m and a cross sectional area of 13x
aparticle with a mass of 750 10-20 kg is oscillating with simpleharmonic motion with a period of 45010-5 s and a
you would like to store 81 j of energy in the magnetic field of a solenoid the solenoid has 530 circular turns of
a76 kg window cleaner uses a18 kg ladder that is 60 m long he places one end on the ground29 m from a wall rests the
a carnot air conditioner takes energy from the thermal energy of a room at 70 degrees f and transfers it as heat to the
a firefighter of mass 80kg slides down a vertical pole with anacceleration of 5 ms squared what is the friction force
a block of mass m50kg is attached to a spring with springconstant k80 nm the block is pushed so that it compresses
a 5kg fish swimming 1 ms swallows and absentmided 1kg fishswimming towards it at a velocity that brings both fish to a
consider a hypothetical universe in which the electron hasspin 32 rather than spin 12a draw n enegy level diagram for
you are to make four straight-line moves over a flat desert floorstarting at the origin of an xy coordinate system
in the game of darts the player stands with feet behind a line236 m from a dartboard with the bulls-eye at eye level
a truck covers 400 m in 815 s whilesmoothly slowing down to a final velocity of 315 msa find the trucks original speedb
a cylindrical brass sleeve is to beshrink-fitted over a brass shaft whose diameter is 3216 cm at 0degc the diameter of
the spring constant of a toy dart gun is 5000 n m to cock the gun the spring is compressed 3 cm the 7-g dart fired
tension is maintained in a string the observed wave speed is24 ms when the suspended mass is 30 kga what is the mass
this is a conceptual question the fundamental source of asound wave is a vibrating object what is the fundamental
a car is driven east for a distance of 48km then north for 32 km and then in adirection 31degeast of north for 25 km
it has been a while since i had calculus so i am having trouble remembering how to multiply the equations out can
you throw a ball with a speed of 250 ms at an angle of 400degrees above the horizontal directly toward a wall the