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an 800 kilogram skydiver jumps out of a balloon at an altitude of 1060 meter and opens the parachute at an altitude of
a ball and bat approach one another each with the similar speed of 290 ms collide evaluate the speed of the ball after
a 710 kilogram boulder is placed on a 200 meter long board at a point that is 140 meter from one end cliff and will
a helicopter flies over the arctic ice pack at a constant altitude towing an airborne 136 kilogram laser sensor that
a car is hauling a 92 kilogram trailer to which it is connected by a spring the spring constant is 2300 nm the car
three weights are arranged in a triangle weight a is 200 gram and at the apex of the triangle weight b is at base of
a person is to be released from rest on a swing pulled away from the vertical by an angle of 221 degree the two frayed
a 10 kilogram wheel in the form of a solid disk rolls along a horizontal surface with a speed of 6 ms compute what the
a merry-go-round accelerating uniformly from rest achieves its operating speed of 25 rpm in five revolutionsa find the
a 70 kilogram trampoline artist jumps vertically upward from the top of a platform with a speed of 55 msa find how fast
a satellite has a mass of 105 kilogram and is placed at 198 x 106 meter above the surface of eartha find the potential
an automobile moves on a level horizontal surface in a circle radius 30 m the coefficient of friction between tires and
a 2 kilogram stone is attached to a string and swung in circular motion with radius of 6 m on a horizontal and
find the net torque about the axis of a bar that has force 1 directed to left of axis with a r 25 centimeter and at an
find the tangential acceleration of a bug on the rim of a 110 in diameter disk if the disk moves from rest to an
a window washer pulls herself upward using a pulley apparatus if she increases the force by 15 percent compute what
point charge q is placed close to a very large conducting plane a professor of physics asserted that the field caused
a skier travels down an inclined trail at 22o and the coefficient of kinetic friction for the skiers shoes-ice surface
a 102 kg weather rocket generates a thrust of 200n the rocket pointing upwards is clamped to the top of a vertical
a square loop with resistance 15 ohms is located perpendicular to a time -varying magnetic field the loop is 82
sound propagating during air at 30 degrees celsius passes through a vertical cold front into air that is 40 degrees
assume a rocket launches with an acceleration of 305 ms2 estimate what is the apparent weight of a 92 kilogram
assume a beam of 50 ev protons strikes a potential energy barrier of height 60 ev and thickness 056 nm at a rate
an electron microscope is using a 100 kev electron beam an atom has a diameter of about 10-10 m1 find the wavelength of
a certain telescope has an objective mirror with an aperture diameter of 153 mm and a focal length of 1610 mmnbsp it