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A 40-kg woman in an elevator is accelerating upward at a rate of 1.5 m/s2.
What is the net force acting upon the woman?
What is the gravitational force acting upon the woman?
What is the normal force pushing upward on the woman's feet?
Staring from rest, a hoop rolls without slipping down a long ramp. What is its translational speed when it's 5.0 m below its initial height, determine the hoop's translational speed
A 3.0-kg cylinder falls vertically from rest in a very tall, evacuated tube 20m above the surface of the earth. what is the cylinder's initial potential energy
What is the total negative charge, in Coulombs, of all the electrons in a small 0.750 g sphere of carbon
The design in Figure is proposed for an isothermal, well-mixed CSTR with a single reaction A ? B with rA = -kCA. The main disturbance is a steplike disturbance.
The catapult on an aircraft carrier can take an aircraft from 0 to 83.1 m/s in 14.5 seconds, at which time the aircraft launches. What is the acceleration of the aircraft when it launches
A glass rod rubbed with silk acquires a charge of +1.1×10?9 . Is the charge on the silk positive, zero, or negative, How much mass has the glass rod gained or lost
A disc of mass M and radius R is rolling purely without slipping with velocity V on a flat horizontal floor. When it hits a step in the floor of height R/2.what is the velocity of the center of mass of the disc just after impact.
What is the potential difference between x(i)=10cm and x(f)=30cm in the uniform electric field E(x)=1000 V/min? Please show work so I can understand how to solve it.
A visitor to a lighthouse wishes to determine the height of the tower. She ties a spool of thread to a small rock to make a simple pendulum, What is the height of the tower
A certain kind of glass has nblue = 1.560 for blue light and nred = 1.510 for red light. what is the angle between the red and blue light
A string has a linear density of 6.80 10-3 kg/m and is under a tension of 345 N. Determine the speed of the traveling wave
X rays diffract from a crystal in which the spacing between atomic planes is 0.179nm. What is the angle of the first-order diffraction
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