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after a satellite is blown apart the first part has speed v1 063c and the second one has a speed v2 091c if the mass
if 550 ml of ethanol initially at 80c is mixed with 550 ml of water density 10gml initially at 286c in an insulated
an object carries a charge of -80 microc while another carries a charge of -20 microc how many electrons must be
a 200 cm long organ pipe is filled with air and is open at one end and closed at the other the velocity of sound in air
aluminum is a very light metal with density of 27 gcm3 what is the weight in pounds of a solid sphere of aluminum of
an inexperienced catcher catches a 130 kmh fastball of mass 140 g within 1 ms whereas an experienced catcher slightly
a 58-kg astronaut is in space far from any objects that would exert a significant gravitational force on him he would
a boy of mass 600 kg is rescued from a hotel fire by leaping into a firefighters net the window from which he leapt was
for a safe re-entry into the earths atmosphere the pilots of a space capsule must reduce their speed from 26 times 104
a projectile is launched from 15 m above the ground at some angle theta it travels 42 m in the x direction where it
some kids playing at the park get creative and they turn a seesaw into a trebuchet - they slide the plank until only 20
a car is traveling at 10 ms how fast would the car need to go to double its kinetic energy by what factor does the cars
a 560 g sample of a conducting material is all that is available the resistivity of the material is measured to be
a cylindrical aluminum pipe of length 133 m has an inner radius of 190 10-3 m and an outer radius of 300 10-3 m the
a van de graaff generator has a spherical dome of radius 20 cm operating in dry air where atmospheric breakdown is at
an airplane is flying through a thundercloud at a height of 1600 m flying at this height is very dangerous because of
two point charges each have a value of 300 mc and are separated by a distance of 400 cm what is the electric field
a gas increases in pressure from 200 atm to 600 atm at a constant volume of 100 m3 and then expands at constant
a spaceship travels with a speed of 03 c as it passes by the earth on its way to a distant star as shown in the diagram
create your own 2d kinematics problem and present a detailed solution that includes a sketch the problem must begin and
in the future an astronaut weighing 882 newtons on earth may stand on a new moon and weigh themselves to find they now
a spherical satellite with a radius of 75m is spinning over its own axis with an angular speed of 232rads the satellite
a transformer can be used to step-up or step-down voltage since the power must be constant the current will decrease in
a man with a mass of 100kg is standing on a uniform plank of mass 50kg the man is standing directly above the right
an ice cube of mass 90g is added to a cup of coffee whose temperature is 95c and which contains 130g of liquid assume