Spring near the surface of the earth
A stone of mass M sits at rest on a spring near the surface of the Earth. If the spring is compressed a distance d by the weight of the stone, what is the spring constant k?
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A car travels east at 95km/h for 0.2hours. It then travels 30.0 degrees east of north at 110km/h for 0.2hours. What is the average speed for the trip?
An infinitely long line of charge has a linear charge density of 4.50×10-12 C/m. A proton is at distance 19.0 cm from the line and is moving directly toward the line with speed 1900 m/s.
Use CES to make an E-Tm chart for metals and estimate a line of slope 1 through the data for the metals. Use this line to estimate the elastic modulus of cobalt, given that it has a melting point of 1760K.
What is the major product formed when 1-bromo-2-methyl cyclohexane undergoes elimination reaction when treated with sodium methoxide?
Determine the velocity of each block just after collision and the distance between the blocks when they stop sliding. The coefficient of kinetic friction between the blocks and the plane is Uk=0.3.
A group of 50,000 tax forms has an average gross income of 37,000 with a SD of 20,000. Furthermore 20% of the forms have a gross income over 50,000. A group of 900 forms is chosen at random for audit.
A taxicab moves five blocks due north, five blocks due east, and another two blocks due north. Assume all blocks are of equal size. What is the magnitude of the taxi's displacement, start to finish?
If the coefficient of restitution between A and B is e, determine the velocity of the plate just after collision. The spring has a stiffness k.
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