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betty weighs 408 newton she is sitting on a playground swing seat that hangs 041 meter above the ground in its rest
at the equator near the surface of earth the magnetic field is approximately 420 microt northward and the electric
sodium ions na move at 0853 ms through a bloodstream in the arm of a person standing near a large magnet the magnetic
a 0400 kilogram pendulum bob passes through the lowest part of its path at a speed of 360 msa find the tension in the
a car is initially driving northeast at a constant speed of 120 m h when it reverses its directions in 80 s without
a comet is in an elliptical orbit around the sun its closest approach to the sun is a distance of 48 x 1010 meter
you pull a 14 kilogram box across the floor with a strap that is at an angle of 34 degree above the horizontal compute
your friend places a cup of coffee on the roof of her car while and accidently drives off with the coffee cup still on
an 180 kilogram package slides down a 380 degree incline and accelerates at 0272 ms2 determine the friction force
you slide a 325 newton trunk up a 20o incline plane with a constant velocity by exerting a force of 211newton parallel
two masses of 10 kilogram and 50 kilogram are connected by a compressed spring and rest on a frictionless table the
a 50000 kilogram railroad car moving at 40 ms overtakes and couples with a second car of mass 60000 kilogram that is
an electric power station is producing 14 x 103 w of power that is to be sent to a small town placed 11 kilometer away
a 17 kilogram monkey hangs from a cord suspended from the ceiling of an elevator the cord can withstand a tension of
coin is located 1500 centimeter to the left of a converging lens with focal length 1000 centimeter a second identical
a car goes around a curve on a road that is banked at an angle of 310 degree even though the road is slick the car will
suppose that the brakes in your vehicle create a constant deceleration of 29 ms2 regardless of determine how fast you
a 20 meter long pendulum is released from rest when the support string is at an angle of 25 degrees with the vertical
a projectile is launched with a speed of 40 ms at an angle of 60o above the horizontal use conservation of energy to
a girl swings back and forth on a swing with ropes that are 400 meter long the maximum height she reaches is 220 meter
an electron has an initial speed of 580times106 msfind what potential difference is required to bring the electron to
johanna sits down at the beach on a summer evening and sees a small piece of wood lie and float to the watersidebeach
a uniform electric field of magnitude 250 vm is directed in the negative x direction a -151 uc charge moves from the
you jog at 68 mih for 50 minute then you jump into a van and drive for another 50 minute compute with what average
an object is 200 centimeter from a converging lens and the image falls on a screen when the object is moved 400