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A 2.8 kilogram balloon is filled with helium (density = 0.179 kg/m3).
Part A. If the balloon is a sphere with a radius of 5.1 meter, find what is the maximum weight it can lift?
(N)
Balls B and C are identical and have the mass of 0.50 kg. After the collision, balls B and C have the similar speed, 4.2 m/s, but ball B moves at an angle of 22 above the horizontal and ball C moves at an angle of 22 below the horizontal. What is ..
A plane leaves the airport in Galisto and flies 159km 68 degrees east of north and after that changes direction to fly 242km at 48 degrees south of east, after which it makes an immediate emergency landing in a pasture.
A 7.0 kg box is raised from rest adistance of 1.0 m by a vertical forceof 120 N. Find the final kinetic energy of the box
You have a string with a mass of 12.3 g. You stretch the string with a force of 9.87 N, giving it a length of 1.93m. find the wavelength of the standing wave you creat in the string
A certain drinking fountain shoots water out from a height of 3.5 centimeter above its basin. Find the angle at which it is shot out of the fountain
Water is at rest at the bottom of a well of depth h = 7.82 m. A pump lifts mass at a rate of dm/dt = 119 kg/minute from the well and ejects it with a speed v = 3.74. m/s. find P, the power (energy per time) needed to do this work
A 984-kg satellite orbits the Earth at a constant altitude of 106-km. What is the change in the system's potential energy
a johnny is running home from school to watch his favorite soap opera as the stomach turns. he runs 6 blocks east to a
A solid cube of mass 40kg and edge length .30mrests on a horizontal floor. A person then pushes on the upper edgeof the cube with a horizontal force of magnitude F. At what valueof F will the cube start to tip? Assume the frictional force from the fl..
monochromatic light falls on two very narrow slits 0.050 mm apart. successive fringes on a screen 5.10 m away are 5.2
A hockey player is standing on his skates on a frozen pond when an opposing player, moving with a uniform speed of 14 m/s, skates by with the puck. Determine how far has he traveled in that time
Which could potentially reason you the greater injury; being tackled by a light-weight, fast-moving football player, or being tackled by a player with double the mass however moving at half the speed?
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