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the gauge pressure at the bottom of a reservoir is 50 times what it is at a depth of 18 m how deep is the
a 1100 kg car carrying four 84 kg people travels over a rough washboard dirt road with corrugations 40 m apart which
what is the gravitational acceleration at altitude 12 re above the earths surface what is the orbital
one end of a boat having mass 32 kg touches the shorethe boat perpendicular to shore a 4kg dog initially stands on the
metal disks are initially spinning on cushions of air in a standard rotational dynamics apparatus disk 1 is allowed to
a student pulls a 5kg object along a horizontal surface at a constant speed of 2ms by a 15n force acting 30 degrees
the loaded car of a roller coaster has mass m 320 kg it goes over the highest hill with a speed v of 214 ms the radius
a particle of mass 6kg traveling with speed 4ms in the direction 30 degrees s of w on a horizontal plane suddenly
you carry a 70 kg bag of groceries across a 53 m room where the rooms flat floor is a 12 m above the ground how much
a photographer in a helicopter ascending vertically at a constant rate of 105 accidentally drops a camera out the
you throw a stone vertically upward with an initial speed of 58 from a third-story office windowif the window is 12
a carnot engine does work of 150 j per cycle the engine operates between two reservoirs at 20 degree c and 500 degree
a cannonball is fired from a canon at an angle of 30 degrees to the horizontalthe cannonballs initial velocity is 40
a pilot of mass 70kg pulls out of a dive following a circular path of radius 850m and at a speed of 200ms if we
a car travels a distance of 50kmhr it then travels an additional distance of 60km in 1 hour what is the average speed
you are twirling a tennis ball on a string in the vertical direction at a constant speed the radius of the circle is
a bullet with a mass of 40 g and a speed of 650 ms is fired at a block of wood with a mass of 97times102 kg the block
during 6 successive intervals a runner moves at the following constant speeds 326 kmmin for 30 seconds 123 kmmin for 23
a water hose 275 cm in diameter is used by a gardener to fill a 280-liter bucket one liter 1000 cm3 the gardener
a 22 gauge niag wire is 225 km long the resistivity of the niag wire is 33010-8 ohmm the cross sectional area of the
an airplane takes off at sea level and climbs to a height of 475 m estimate the net outward force on a passengers
a parallel-plate capacitor stores a charge q 400 nc when connected to a battery of voltage v 100 v the energy density
a 0002 m3 block of wood is fully submerged in water of density 1000kgm3 by a string with tension 10 n find the density
the resistance of a 100-cm wire of cross sectional area 2 times 10-6 m2 is 400 what is the resistivity of the material
a car takes off from rest with a constant accelerationafter 5 seconds it is traveling at 20 mswhat is the acceleration