Which one of the following is not a derived unit?    (a) kg/m3   (b) km/hr   (c) m/s2   (d) m   (e) m2

Q: Explain. Why it is correct to write 1 min/60s=1, but it is not correct to write 1/60=1

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Q: 3. Find the units of... a. pif p = mv, where m is in kg and v is in m/s. b. gif F = mg, where F is…

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Q: 4. Which of the following contain the same number of significant figures? O a) 540 and 0.020 b) 10.1…

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Q: How many significant figures does each of the following numbers have?a. 0.621 b. 0.006200 c. 1.0621…

A: Since there are multiple sub-parts posted, we will answer the first three sub-parts for you. If you…

Q: The following data were taken on five cars traversing a 1.6-km highway. Car…

A: Write the expression for the traffic density. Here, N represents the number of vehicles and L…

Q: 1) Which one of the following pairs of units may NOT be added together, even after the appropriate…

A: Please note : As per answering guidelines I can answer the first question only. Since, this is not a…

Q: A rather ordinary middle-aged man is in the hospital for a routine check-up. The nurse writes the…

A: Dear student For a middle aged man, the mass could be around 70kg, and age would be around 45 years.

Q: Express the following sum with the correct number of significant figures: 1.80 m + 142.5 cm + 5.34 *…

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Q: Write the following quantities in standard units. (a) 0.49 Ms =_____  s (b) 4.5 km =_______  m…

A: a) The standard unit of time is second. The conversion of mega second into second is…

Q: Vector A  has x and y components of -8.40 cm and 12.0 cm, respectively; vector B has x and y…

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Q: 1.28.. For the vectors A and B in Fig. E1.28, use a scale drawing to find the magnitude and…

A: First we divide the vectors into x and y components.  Then we calculate their resultant vectors and…

Q: How many significant figures does  1.362+25.2 have ? (a) 2.             (b) 3.              (c) 4.…

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Q: In the equation below, which (if any) of the terms are not dimensionally consistent with the others?…

A: The dimension of mass m is [m]=M. The dimension of gravitational constant g is [g]=LT-2. The…

Q: 29. Given the vectors P and0 shown on the grid, sketch and calculate the magnitudes of the vectors…

A: From the diagram shown, two small squares on the grid are 8 cm long. So each grid-square has a side…

Q: Which of the following is/are NOT acceptable if a and b are two quantities with distinct dimensions?…

A: Given :- a and b are two quantities having different dimensions .

Q: Estimate the order of magnitude of the length, in meters, of each of the following: (a) a mouse, (b)…

A: a) Length is the measurement of distance between the two ends of an object. The SI unit of the…

Q: Express the following sum with the correct number of significant figures: 1.80 mm + 171.5 cm +…

A: Here, the sum is

Q: While exploring a cave, a spelunker starts at the entrance and moves the following distances: 71.5 m…

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Q: What are the units (in the SI system) of a physical quantity whose dimensions are L²M'T-3? kg/s³ |…

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Q: Apply the necessary conversions to find: a) The speed in km/min equal to 78.0 mi/h b) The area in…

A: Given data: Speed = 78 mi/h Rectangle have sides 18.6 m and 3.82 m Height of person = 5 ft 7 in

Q: Which among the following is false about displacement? A) It can be positive, negative or zero B)…

A: The minimum distance between the two points is called displacement. It is a vector quantity. It may…

Q: When you perform the following operations, how many significant figures should your answer have?…

A: 11.13 kg+22.2 g=? 22.2 g=22.2/1000=0.0222 kg

Q: Use the data collected to find an equation for the path of the ball. Remember, use t for the input…

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Q: the

A: (a) In the given equation, x = At3 + Bt, x has the dimension of L and thus the dimensions of A and B…

Q: Give an order-of-magnitude estimate for the length in metersof the following: (a) a person; (b) a…

A: The average height of a typical person is around 1.80 m.   Thus, the order of magnitude in meters to…

Q: ven the technical description of a triangular lot. Compute the area and perimet lot. LENGTH (m) LINE…

A: Perimeter of triangle = a + b + c

Q: Vesna Vulovic survived the longest fall on record without a parachute when her plane exploded and…

A: Distance , d = 5 mines and 130 yards  To find = distance in meters

Q: 3. Write down the following numbers in scientific notation accurate to three significant figures:…

A: Scientific notation is a process by which numbers are represented in terms of decimal less than 10…

Q: An Airplane travels at 951 km/h. how long does it take to travel 1.00 km? (SI units, always) (Make…

A: Given Speed of Airplane (V) = 951 Km/h =264.167 m/s Distance =1 Km = 1000 m

Q: a jet airplane reaches 637. km/h on a certain flight. How long does it take to cover 200. m? Set the…

A: Given : a jet airplane reaches speed = 637 Km/h               Jet cover distance = 200 m To Find :…

Q: QUESTION 1.4 Repeat the conversion, using the relationship 1.00 m/s = 2.24 mi/h. Why is the answer…

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Q: Calculate to the correct number of significant figures: 2.346 + 24.128 = 38.4 x 128.45 = Verify if…

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Q: The motion of a particle is given by a = 6v1/3, where a is in feet per sec² and v in feet per sec.…

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Q: Each of the following equations was given by a studentduring an examination: (a) 1/2 mv2= 1/2 mvo2 +…

A: Given:(a) 1/2 mv2= 1/2 mvo2 + √mgh(b) v= v0 +at2(c) ma =v2

Q: A jet airplane reaches 875. km/h on a certain flight. How long does it take to cover 246. m? Set the…

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Q: The earth formed 4.57 x 109 years ago. What is this time in seconds?A. 1.67 x 1012 s            B.…

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Q: Q1) A) Find the answers to the following problems using the rule of Significant Figures a) (10.4168)…

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

Q: Express the quantities using significant figures to imply the stated error. 1. 14.77 + 0.01…

A: The use of significant figures are done to state or imply some error always.

Q: Convert the following to SI base units: a. 9.12 ms b. 3.42 km c. 44 cm/ms d. 80 km/h

A: a) To convert 9.12μs to s, 1μs=1×10-6sec9.12μs=xx=9.12μs1×10-6sec1μsx=9.12×10-6s

Q: ector a is 15 units and vector b, which makes 90° with vector a is 20 units. Find the difference…

A: difference between a and b is same as the sum of a and -b the angle between a and -b is still 900 ,…

Q: Express the following sum with the correct number of significant figures: 1.80 mm + 162.5 cm +…

A: In addition and subtraction, the last significant decimal place in the calculated result should be…

Q: The following conversion equivalents are given:1 m = 100 cm 1 in = 2.54 cm 1 ft = 12 inA bin has a…

A: Given Information:

Q: How many significant figures does each of the following numbers have?a. 6.21                 b.…

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Q: When estimating the area covered by an object, what type of error might you make and what sources…

A: Given:  Scenario where we are measuring area covered by the object.

Q: Q1) A) Find the answers to the following problems using the rule of Significant Figures a)…

A: (a) Here, (b) Here, (c) Here, (d) Here,

Q: Which of the following relationships is dimensionally consistent with an expression yielding a value…

A: Given data:  Acceleration = distance /(Time)2 x is distance t is time V is velocity

Q: Which one of the choices below represents the preferred practice regarding significant figures when…

A: Given multiplication:  15.0×5.6×2.33

Q: Each of the following equations was given by a student during an examination. Do a dimensional…

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Units and Dimensions

These are generally defined as the terms which precede or describes the dimensions further. These are also further divided into two parts namely fundamental units and the derived units.