For a short time, the speed v of a car, in m / s, is given by v = at2 + bt3, where t is the time in seconds. The units of a and b are, respectively,   a) m/s^2; m/s^3 b) m/s^4; m/s^5 c) s^3/m; s^4/m d) m.s^2; m.s^4 e) m/s^3; m/s^4

Q: Complete the following table 2 (s*) h/t (m/s?) Mean h/t (m/s?) g (m/s²) height h (cm) Time t (s)…

A: See below

Q: 3. Give the number of significant figures in each of the following. A. 10.0005 g C. 2900 + 100 ft B.…

A: The significant figures can be used to represent the standard measurement in science and they…

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…

A:

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

A:

Q: 1. If r = ti − t²j + (t− 1) k and s = 2t²i + 6tk evaluate www -2 r. sdt a. 0 -2 b. Srx sdt 0

A:

Q: Consider the equation s = s0 + v0t + a0t2/2 + j0t3/6 + S0t4/24 + c0t5/120 , where s is length, and t…

A: As S is length So dimension of S is [L] so dimension of right side terms must be [L].

Q: In addition to 1 m = 39.37 in., the following exact conversion equivalents are given: 1 mile = 5280…

A:

Q: In a meeting of mimes, mime 1 goes through a displacement di = (3.82 m )î + (2.03 m )ŷ and and mime…

A: Hi, your question has multiple sub-parts so we will solve first three sub-parts for you. for…

Q: 21. Mr. Alexander wants to know the height of a cliff he hiked up. He drops a rock from the top of…

A: Assume the height of the cliff is denoted by h. The initial velocity of the rock is u = 0 m/s.…

Q: If a distance d has units of meters, and a time T has units of seconds, does the quantity T + d make…

A: It is given that d has unit of meters and T has unit of seconds. This implies d is a length…

Q: The speed limit on certain interstate highways is 75 miles per hour. (a) What is this in feet per…

A: The limiting speed = 75 miles/hour We have to convert this speed into feet per second…

Q: Complete the following table height Time Time Mean time h Mean t² (s²) h/t² (m/s²) g (m/s²) t1 (s)…

A: for each height(h) there are two values for time period let it be t 1 and t 2 Mean value of time…

Q: Given the quantities a = 8.5 m, b = 9.1 s, c = 32 m/s, what is the value of the quantity d = %3D .3…

A: Both questions are different from each othera, s per our guidelines we are supposed to answer only…

Q: convert a speed of 4.50km / h to units of ft / min (1.00 m = 3.28ft)

A: Units And Dimensions

Q: 21. Mr. Alexander wants to know the height of a cliff he hiked up. He drops a rock from the top of…

A: Initial speed of rock = 0 m/s  Time taken = 5.25 seconds  Using equation of motion for an object…

Q: The first displacement is 6 m and the second displacement is 3 m. They cannot add together to give a…

A: Total displacement will have maximum magnitude when the two displacements are in same direction. The…

Q: Estimate the length of a human lifetime, in seconds.

A: Human life time

Q: Tectonic plates are large segments of the earth's crust that move slowly. Suppose one such plate has…

A: The distance covered by an object moving with some speed at any time interval is given as s = vt…

Q: 5. A stray dog is walking along a road with a constant speed of 3 miles per hour. He walks for 13…

A: Since you have asked multiple questions in a single request, we would be answering only the first…

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: 1. How many significant figures are in the following numbers? a. 980.00 b. .002220000 c. 792,010. d.…

A: To solve for this, we use various rules for significant figures. 1. 980.00 This has 5 significant…

Q: A car speedometer has a 5.0% uncertainty. What isthe range of possible speeds when it reads 90 km/h…

A:

Q: Your answer is partially correct. Horses are to race over a certain English meadow for a distance of…

A:

Q: Length vs Time^2 5. 4.5 4. 3.5 2.5 1.5 0.5 1.2 0.6 Length (m) 0.2 0.4 0.8 alculated quantities Value…

A: Given: The graph is given in between (time)2 and (sec)2.   Introduction: The acceleration due to…

Q: 2. Express the following numbers in scientific notation: (Answers should include three significant…

A:

Q: The correct conversion of speed limit of 65 mi/h in terms of SI unit is 1.609 km) (Given 1 mile= Oa…

A: Given, Speed, v=65 mi/h

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: 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: C. 305.2 1--1 Convert 66.0 km²/h³ to m²/s³. 9. A. B. 0.001192 m²/s³ 0.001341 m²/s³ 0.001415 m²/s³ C.…

A: Ans is 141.438 m^2/s^3.

Q: Usain Bolt from Jamaica holds the world record for the 100 meter race running it in 9.58 seconds.…

A:

Q: Question 3 3 pts A spacecraft accelerates from rest: a = bt = 1t until a = 10, after which it…

A:

Q: Monarch butterflies belong to one of the most beautiful species of animals. To protect themselves…

A: Given Data: The distance covered by the butterflies is: d=3960 km The time taken to travel the…

Q: 1. How many pounds does 2.00 kg of cheese 2. How many mL are in 0.50 quarts? 3. How many inches are…

A: Therefore 2 kg is 4.40925 pound 0.50 quarts is 473.176 mL

Q: Assume that a student came up with an equation as S= k10 a™ t" where S is the distance, a is the…

A: Distance is given by : S = k10amtn

Q: 19. A common speed limit in British Columbia is 80 km/hr. What is this speed in m/s? 20. Considering…

A:

Q: Convert the following to SI base units:a. 9.12 μs              b. 3.42 kmc. 44 cm/ms         d. 80…

A:

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

A:

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: A car travels with an average speed of 35 MPH. What is this speed in km/h?

A:

Q: Convert the units. What is 32 [km/hr] in [m/s]? O 2.46 x 104 [m/s] O 8.89 x 10' (m/s°] O 89 [m/s]…

A:

Q: answers with worked out solutions please!

A:

Q: Simplify the following expression, combining terms as appropriate and combining and canceling units.

A: Simplify the expression using the below conversions,

Q: Convert the units. What is 32 [km/hr²] in [m/s²]? 2.46 x 10-4 [m/s²] O 2.47 x 103 [m/s²] 8.89 [m/s²]…

A: Given:- The given data is 32 km/hr2 Required:- We have to change the unit from  km/hr2 to m/s2.

Q: 12. Which of the following quantities CANNOT be added even after conversions? 10kg + 10g 10m + 10ft…

A: The two and more quantities can be added when they represent the measure of the same fundamental…

Q: Horses are to race over a certain English meadow for a distance of 7.3 furlongs. What is the race…

A: Given Distance 7.3 furlong 1furlong=201.168m 1rod=5.0292m 1chain=20.117m

Q: A car is traveling at a speed of 33 m/ssize 12{"33"" m/s"} {}. (a) What is its speed in kilometers…

A: Given data:  Speed of the car (v) = 33 m/s Required: Speed in km/h

Q: 7.  On the planet Zebulon, the standard unit for length is the clorf (cl) and the standard unit for…

A: Write the variable with the given value.

Scalars and Vectors

Scalars and Vectors are the classification of physical quantities that are used to denote various terms in physics.