From Questions to Solutions

How long would it take an object initially at rest to experience an acceleration of [tex]$99.8 \, \text{m/s}^2$[/tex] that results in a velocity of [tex]$489 \, \text{m/s}$[/tex]?

The rate of a reaction increases 2.21 times as the temperature changes from 70°C to 80°C. Calculate the activation energy. a) 15.4 kJ/mol b) 25.7 kJ/mol c) 38.2 kJ/mol d)

During a tensile test with an initial gauge length of 100.0 mm and a cross-sectional area of 150 mm², the following force and gauge length data were recorded: 1. 17,

Barbara is converting [tex]78^{\circ} F[/tex] to degrees Celsius. First, she subtracts 32 from 78. What is the next step? A. Multiply 46 by [tex]\frac{5}{9}[/tex] B. Multiply 46 by [tex]\frac{9}{5}[/tex] C.

Four companies computed their days' sales in inventory as follows: - Company A: 47.2 - Company B: 36.5 - Company C: 45.1 - Company D: 39.4 Which company is the

What is the pressure in atm of a 5.00 L tank with 5.95 moles of oxygen at 39.3 degrees Celsius?

Given that ABCD is a rhombus, what is the value of x? A. 29 B. 23 C. 46 D. 38 E. 45 F. Cannot be determined

A figure is made up of a rectangle and a semicircle as shown in the diagram below. What is the area of the figure, to the nearest tenth of a

What is the product of [tex]8.2 \times 10^9[/tex] and [tex]4.5 \times 10^{-5}[/tex] in scientific notation? A. [tex]36.9 \times 10^{-45}[/tex] B. [tex]12.7 \times 10^4[/tex] C. [tex]3.69 \times 10^5[/tex] D. [tex]3.69 \times

These are Ravi's mean bowling scores for the past 24 weeks: 110.7, 120.4, 115.2, 106.2, 107.1, 122.6, 130.0, 129.5, 119.2, 113.4, 100.2, 95.4, 103.0, 129.9, 105.7, 125.0, 122.6, 111.5, 112.4,

Decimals: Signed Decimal Addition and SubtractionCompute:[tex]\begin{array}{r} 39.4 + (-7.2) = \square \\ 7.9 - 49.35 = \square \end{array}[/tex]

Jan ran 200 meters in 38.6 seconds. Beth ran the same distance in only 35.9 seconds. How much faster was Beth's time?

Find an equation of the form \( f(x) = ax^2 + bx + c \). Given: \[ f(1) = 4, \] \[ f(2) = 13, \] \[ f(4) = 46.

A thermometer reads a child's temperature at 98.1 degrees Fahrenheit. The child's actual temperature is 97.8 degrees Fahrenheit. What is the percent error for the thermometer?

What quantity of heat, in kJ, is required to convert 40.0 g of ethanol ([tex]C_2H_5OH[/tex]) at 23.0°C to a vapor at 78.3°C (its boiling point)? Given: - Specific heat capacity