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nancy pulls on a light box resting on a frictionlesssurface, with a 6 newton force northward;edward pulls with a 4newton force eastward. sally pulls on the box with a 5 newton force36.9 south of west.
a) draw the free body
b) determine the net force on the box assuming there is nofriction.
how much work is required to place q3 at (0,-3)? D) Calculate the electric potential energy of the group of three charges.
what is the magnitude of the electric field strength E such that an electron, What elecric field strength E is required if the electron is replaced by a proton
Given the minimum kinetic energy of an alpha particle in nucleus= 0.01304 Mev or 2.09*10^-15 J compare this to the kinetic energy of an emitted alpha particle (5 MeV or 8.010883 *10-13 J), is it possible the alpha particle could have existed inside t..
can please explain question as an airplane taxies on the runway with a speed of 16.0 a flight attendant walks toward
The altitude of a hang glider is increasing at a rate of 6.79 m/s. At the same time, Calculate the magnitude of the glider's velocity
Calculate the velocity of a transverse wave on a rope when the tension in the rope os 10 newtons, its length is 0.8 meters, and its mass is 0.05 kg
A 55 kg person is riding in a hot air balloon and scale shows this person's weight too be 549N. the acceleration of gravity at the location of the balloon is known to be 9.79 m/s/s.
A 4.0g mass is attatched to a wire of diameter 0.64mmwith a full stretched of 0.60mm which is 1/5000 of the originallength. Determine the tensile stress and strain
A source emits sound uniformly in all directions. There are no reflections of the sound. At the distance r1 from the source the sound is 3.9 dB louder than it is at a distance r2 from the source. What is the ratio r1/r2.
a gymnast with mass m1 46 kg is on a balance beam that sits on but is not attached to two supports. the beam has a mass
A strip of doped silicon 325 µm wide contains 9.6 1022 conduction electrons per cubic meter and an insignificant number of holes, What is the thickness of the strip
You slide a box of books at constant speed up a 30 degree ramp, applying a force of 170N directed up the slope. What is the mass of the box
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