Total # Posts: 13
What is the centripetal force on a vehicle rounding a circular curve with a radius of 80m at a constant speed of 90 km/h if the vehicles mass is 2,000 kg? (Hint: first express the velocity in meters per second) A: 20,250 N B: 703 N C: 625 N D: 15,625 N
October 30, 2014
(hrwc5p72) A mass m2 = 2.4 kg, on a 37.4° incline, is connected to a mass m1 = 6.9 kg, on a horizontal surface. The surfaces and the pulley are frictionless. If F = 18.9 N, what is the magnitude of the tension in the connecting cord?
February 28, 2011
the density of a certain aqueous solution is 1.17g/ml, and the solution is 3.57% by mass NaOH. how many ml of this solution would you need to use in order to prepare 100.0 ml of .150 M NaOH solution? I'm not sure where to start and what the process to go through would be...
September 7, 2008
DIRECTIONS:For each example cite the number property used, and explain how it is used in the problem. QUESTION:When all members of the United States Senate meet, there are one hundred members present.One day, the 8 Republicans on the judiciary committeemet together while the 8...
January 12, 2008