If an object is moving at #40 m/s# over a surface with a kinetic friction coefficient of #u_k=12 /g#, how far will the object continue to move?

Suppose you spend 30.0 minutes on a stair-climbing machine, climbing at a rate of 75 steps per minute, with each step 8.00 inches high. If you weigh 150 lb and the machine reports that 690 kcal have been burned at the end of the workout, what efficiency is the machine using in obtaining this result?...

If 3 times Jane's age, in years, is equal to 8 times beth's age, in years, and the difference between their ages is 15 years, how old are Jane and Beth?...

NH3 is a weak base (?b=1.8×10−5Kb=1.8×10−5) and so the salt NH4Cl acts as a weak acid. What is the pH of a solution that is 0.0330.033 M in NH4Cl at 25 °C...

EXHIBIT 5 Fitbit, Inc., Consolidated Statements of Operations, 2014-First Quarter 2017 (in thousands) First Quarter 2017 2016 2015 2014 Revenue $298,942 Cost of revenue 180,643 $2,169,461 1.323,557 845,884 $1,857,998 956,935 901,063 $745,433 387.776 357,657 118,299 Gross profit Operating expenses: R...

Choose the statement that is correct. A. A dollar collected from a rich person translates into a dollar received by a poor person. B. The larger the scale of​ redistribution, the smaller is the opportunity cost of administering it. C. The redistribution of income gives taxpayers a weaker incen...

A reaction 2A → P has a second-order rate law with kf = 1.44 dm3 mol-1 s -1 . Calculate the time required for the concentration of A to change from 0.460 mol dm-3 to 0.046 mol dm-3 ....

Dinitrophenol (DPN) is a small molecule that renders membranes permeable to protons. In the 1940's, small amounts of the highly toxic compound were given to patients to induce weight loss. DNP was effective in producing weight loss, especially loss of fat reserves. Explain how it might cause suc...

Define and discuss: Adverse Selection and Favorable Selection What implications does Adverse Selection have on Medicare, the private individual market, the employer-sponsored market, consumer directed health plans, and even the ACA?...

Questions: 1. Transportation budget: a. What is a budget? b. What is the importance of freight transportation budgeting? c. What are your recommendations relating to the freight transportation budget of a firm?...

What is the equation of the line with slope # m= -3 # that passes through # (23,23) #?...

Practice Exercise 13.8The second-order rate constantfor the decomposition of nitrous oxide (N2O) into anitrogen molecule and oxygen atom has been measured atdifferenttemperatures given below.k(1/M·s)t(°C)1.87 10-36000.01136500.05697000.244750Determine graphically the activation energy for...

QUESTION 13 Which of the following is the best strategy for linking evidence to your ideas in an argument? Presenting one side of an argument Including information from a website Including expert testimony Including logical fallacies wrong...

An electron is near a positive ion of charge +9e and a negative ion of charge -8e (see the figure below). (Take a = 4.68 pm, b = 4.40 pm, and 6 = 65.8 degree .)...

A key difference between the nucleotides in DNA and those in RNA is that A. DNA has thymine, but RNA has uracil B. Both b and c are correct C. Both a and b are correct D. DNA has deoxyribose, but RNA has ribose E. DNA has phosphate but RNA does not...

QUESTION 1 Lactose-fermenting bacteria metabolize lactose using two proteins, one binds external lactose and transports it into the cell, the other breaks down the lactose that comes into the cell. The two proteins are coded for by two genes that are under the control of a single promoter. You carry...