What is the cylinders mass density
A 6.40 tall cylinder floats in water with its axis perpendicular to the surface. The length of the cylinder above water is 1.70 . What is the cylinder's mass density?
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A stone thrown horizontally from the top of a 19-m tower hits the ground at a point 18 m from the base of the tower. (Ignore any effects due to air resistance.) (a) Find the speed at which the stone was thrown.
The number of calories and the milligrams of cholesterol for a random sample of fast-food chicken sandwiches from seven restaurants are displayed. Is the correlation (using Pearson's r) significant? (Note: use a two-sided significance level of 0.0
How many electrons must be removed from A and put onto B to make the electrostatic force that acts on each object an attractive force whose magnitude is 29.4 N?
Show that if Z ? POI(6), then the random variables X and Y are independent and have Poisson distribution by calculating the joint p.m.f. of X and Y .
The rate constant has a value of k =0.75 m3/mol-h at 400 K. Assume ideal gases. (a) Calculate the time required to achieve 60% conversion of A in a constant pressure batch reactor.
Suppose you had two small boxes, each containing 1.0g of protons. If one were placed on the moon by an astronaunt and the other were left on the earth, and if they were connected by a very light string, what would be the tension in the string?
In carrying out an analysis of a mixture, what do you expect to see when the TLC plate had been allowed to remain in the developing chamber too long, so that the solvent front has reached the top of the plate?
The golf ball is hit at A with speed of V=40m/s and directed at an angle of 30 degrees with the horizontal. Determine the distance d where the ball strikes the slope at B.
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