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when jeff ran up a hill at 60 ms the horizontal component of his vector was 45 ms what was the vertical component of
state the energy transformation equation for the suns energy eventually causing an oven to operate on energy
7 equal capacitors are connected purely in parallel to a 8 volt battery the same capacitors are then connected to the
five capacitors are connected purely in series to a 19 volt battery three of them have same amount of voltage across
five capacitors are connected purely in parallel three of them have same amount of charge stored in them all have q the
in the following circuit v 58 volts r1nbsp 100 ohms r2nbsp 10 ohms r3nbsp 56 ohms r4nbsp 7 ohms r5nbsp 8 ohms r6nbsp
derive the value of the flow of energy from earths surface to the atmosphere as a result of evapotranspiration express
the area of the piston to the master cylinder in a hydraulic braking system of a 4-wheel car is 05 square inches if a
a rectangular duct with air flowing measures 1 foot by 3 foot and it is to be compared to a 2 foot diameter round duct
imagine you are pulling a box with a mass of 728 kg along a horizontal floor with a net force of 200n at an angle of
an object with a mass of 233 kg has a net force fnet 8799357n acting on it what is the resulting y-component of
an object with a mass of 271 kg has a net force of 122 n acting on it in the positive x direction what is the resulting
assume the mass of the rocket sled is 2954 kg the thrust force t 141x104nbspn and the friction force f is 781
a baseball with mass 014 kilograms and speed 481 ms is caught if all of its kinetic energy is converted to internal
a steel railroad track is 18 km long at 201degc on a 488degc day how much longer in meters is it than at the previous
at the bottom of a large cylindrical tank filled with fresh water the gauge pressure is 85 psi what is the height
discussion hydraulic and pneumatic systemsexplain how fluid power systems have led to improvements in aircraft
a football is kicked at a velocity of 42 ms with an angle of 61 degrees to the ground- determine the maximum time in
a wood log totally submerged is rapidly floating down a flooded river if the mass of the log is 103 kg what is the
1 the average thickness of the earths oceanic lithosphere is about 60 km representing the cooling of oceanic plates
1 the negative topography hole left by the rapid melting of a large ice sheet relaxes exponentially in time back to
what is the wavelength of the sound emitted by an airplane flying at an elevation of 40000 feet where the temperature
a high diver of mass 568 kg steps off a board 100 m above the water and falls vertical to the water starting from rest
two children stretch a jump rope between them and send wave pulses back and forth on it the rope is 38 m long its mass
a ball thrown downwards from a height h mass m initial velocity vi and final velocity vf if it is momentarily at rest