If the motor exerts a force of F = (600 + 2s 2 ) N on the

Introductory Chemistry 5
Ethylene glycol (antifreeze) has a density of \(1.11\mathrm{\ g}/\mathrm{cm}^3\). (a) What is the mass in grams of 387 mL of ethylene glycol? (b) What is the volume in liters of 3.46 kg of ethylene glycol? Equation Tran

University Physics 13
Problem 75P A 0.500-kg block, attached to a spring with length 0.60 m and force constant 40.0 N/m, is at rest with the back of the block at point A on a frictionless, horizontal air table (Fig. P7.69). The mass of the spring is negligible. You move the block to the right

An Introduction to Chemistry 2
Problem 43QP The balanced equation for the reaction of nitrogen and fluorine to form nitrogen trifluoride is N2(g) + 3F2(g) ? 2NF3(g) Assume that 10.0 g of N2 is mixed with 10.0 g of F2. (a) What is the limiting reactant? (b) What is the maximum amount of NF3, in grams, that can be produced?

Physics for Scientists & Engineers with Modern Physics 4
Calculate the terminal voltage for a battery with an internal resistance of 0.900 fi and an emf of 6.00 V when the battery is connected in series with (a) an 81.0-0 resistor, and (ib) an 810-0 resistor.

Organic Chemistry 6
Give the products expected when isopentyl bromide (1-bromo-3-methylbutane) or the other substances indicated react with the following reagents. (a) KI in aqueous acetone (b) KOH in aqueous ethanol (c) K+ (CH3)3CO in (CH3)3COH (d) product of part (c) 1 HBr (e) CsF in N,N-dimethylformamide (a polar apr

Economics With Emphasis on the Free Enterprise System
Mary Kay Ash was an American businesswoman and founder of Mary Kay Cosmetics. Born in Harris County, Texas in 1918, Mary Kay attended Reagan High School in Houston, Texas and went on to graduate from the University of Texas. Described as a one-of-a-kind visionary, Mary Kay displayed a can-do spirit t

Biology for AP Courses
Which of the following are two examples of vestigial structures? a. gills in fish and parts of the throat in humans b. butterfly wings and dragonfly wings c. hind leg bones in whales and leaves on some cacti d. shark fins and dolphin fins

Principles of Economics 9
In competitive markets, farmers adopt new technologies that will eventually reduce their revenue because a. each farmer is a price taker. b. farmers are short-sighted. c. regulation requires the use of best practices. d. consumers pressure farmers to lower prices.