Find out the normal force
A 40-kg bookshelf requires a 100 N force to begin its motion. Once moving, it will requires a force of 60 N. What is the normal force?
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What is the angle the total electric force vector on charge 1 makes when measured counter-clockwise from the x axis in degrees?
The pressure of 6.0L of an ideal gas in a flexible container isdecreased to one-third of its original pressure, and its absolute temperature is decreased by one half. What is the final volume of the gas?
The initial volume is 0.1 m3, the final volume is 0.04 m3, and the final pressure is 2 bar. Determine the initial pressure, in bar, and the work for the process, in kJ, if (a) n = 0, (b) n = 1, (c) n = 1.3.
Determine the velocity of the particle as a function of time. When t=0 ,v=0 , and s= 15 ? Determine the position of the particle as a function of time?
Find the change of internal energy (J) of the gas. Be sure to include the correct sign on the answer.
When the balloon reaches an altitude where is is neutrally buoyant, it transmits information about weather conditions to monitoring stations on the ground. Is this Lagrangian or an Eulerian measurement? Explain?
A clinical trial is conducted comparing a new pain reliever for arthritis to a placebo. Participants are randomly assigned to receive the new treatment or a placebo and the outcome is pain relieve within 30 minutes.
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