Physics Laboratory Manual
4th Edition
ISBN: 9781133950639
Author: David Loyd
Publisher: Cengage Learning
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Chapter 2, Problem 5PLA
To determine
The numbers of significant figures are there in the density for the calculation in Question 4.
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(a) The volume V of a growing spherical cell is V = ³, where the radius is measured in micrometers (1 μm = 10-6m). Find the average rate of change of V with respect to r when r
changes from 6 to each of the following. (Round your answers to one decimal place.)
(i) 6 to 9 μm
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(ii) 6 to 7 μm
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(iii) 6 to 6.1 um
(b) Find the instantaneous rate of change of V with respect to r when r = 6 μm. (Round your answer to one decimal place.)
V'(6) =
Tum3 / um
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Answer must be in standard form scientific notation with SI units that do not have prefixes except for kg. Provide the answer with the correct amount of significant figures. Thank you so much I greatly appreciate it
So we take a pile of paper, we count the number of sheets, and obtain 226. Then, we measure how tall the pile is with a ruler: 24.0 mm.
As discussed in section 1, we could have a long argument about how much exactly should the uncertainty of this measurement be. Let’s settle to ± 0.5 mm
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- All problems will use the conventional Cartesian coordinate system unless noted otherwise. Positive x-axis points to the right, Positive y-axis points up, Angles are measured CCW (counter-clock-wise) from the positive x-axis. When a numerical input is necessary: Enter your answer to 4 significant figures. Use a leading zero for numbers between -1 & 1. Do NOT use Scientific Notation. Angles must be reported with a minimum of 2 decimal places. Report directions as positive angles. For instance, 350 degrees, not -10 degrees. Use the "standard" coordinate system unless noted otherwise. Regarding the magnitude of an angle between two objects that could be reported with more than one value, submit the smaller value. Magnitude shall always be reported as a positive number. Value shall be reported either as a positive or negative number based upon the application. When reporting a value, include the sign. Problem-DD: Consider FIG-DD in the appendix. Note: For Blocks “A”…arrow_forwardAnswer must be in standard form scientific notation with SI units that do not have prefixes except for kg. Provide the answer with the correct amount of significant figures. Thank you so much I greatly appreciate it . Answer contains 3 significant figuresarrow_forwardSEND THE ANSWER IN 10 MINUTES PLEASE Assume that you measure the dimensions of a cylinder with a vernier caliper many times and obtain the following average values in cm: Height : 6 Diameter:1.13 Using these values, calculate the volume of cylinder in cm. Express your result with 3 significant figures. Take PI as 3.14arrow_forward
- Assume that you measure the dimensions of a cylinder with vernier caliper many times and obtain the following average values in cm: Height : 3.1 Diameter: 1.13 Using these values, calculate the volume of cylinder in cm. Express your result with 3 significant figures. Take it as 3.14 Answer:arrow_forwardNote: Round off your answer in the nearest whole number. No need to include the unit.arrow_forwardWhat is the percent error in the accuracy in the measured volume of the cube? Use the calculated value as the expected value. Round your answer to 2 digits.arrow_forward
- Solve the problem completely. Show your complete solution and express your final answer with the correct number of significant figures.arrow_forwardA rectangular block of iron was found to be 19.00 cm wide, 0.31500 m high, and 720.026 mm deep. Calculate the volume of this box in units of ft³. Be sure to express your answer to the correct number of significant figures.arrow_forwardA new physics unit of distance is created and called the Zarkov. A student informs you 1 Zarkov (1 Za) is exactly equivalent to 8 inches. Convert 4.44 × 10% min² to h. If hard Zaš to read: asking you to convert minutes squared over Zarkov's cubed to hrs squared over meters cubed. Answer in E notation without units in the box. I am assuming your output units are m3 Note: for some numbers the computer will convert your E notion to another notation without the E.that will not cost you points. To be clear regarding E notation, I will provide an example of what l'm talking about: 1.23 x 104 = 1.23e4arrow_forward
- Question 2: Complete the following Error Analysis The lengths of the sides of a rectangular box are measured using a ruler marked with a millimeter scale. W The measurements give the values length 83 mm, width 68 mm and height 23 mm. The uncertainty in each measurement is ±1 mm. Calculate, 1. The fractional uncertainty in the measurement of VOLUME is 2. Absolute uncertainty in the measurement of VOLUME in (mm3 ) isarrow_forwardThe online lab manual for this experiment gives the formula for the volume of a sphere:[If your computer doesn't display the above formula correctly, the formula can also be written as V=(4/3)*pi*R3]Use this formula to calculate the volume of the sphere in cubic meters if the radius is 28 cmarrow_forwardThe radius of a circle is measured to be 0.545 ± .005 m. Calculate the area of the circle with its absolute uncertainty and state the final answer using correct significant figures. Hint: Use 3.14 as the value of π and treat it as a constant. Remember constants have no uncertainty.arrow_forward
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