Express 6.21 as an integer. Take into account significant figures.

Q: (x,9?n of cender of particles Find the (x,92 of cender of lo cation mass 4 he shown. m, = skg m = 12…

A: The coordinates of centre of mass due to mass m1,m2 and m3 at location x1,y1,x2,y2 and x3,y3 is…

Q: How many heartbeats are there in a lifetime?

A: Consider that the average lifetime of the human is 75 years.

Q: v(t) = evt – 1 Solve for the unknown(s). Y, s1 t, s v(t), unit/s a(t), unit/s² S(t), units 7.62E-04…

A: Given : Velocity of particle, v(t)=eγt-1 unit/s Acceleration, a(t) = 7.62e-04 unit/s2 Displacement,…

Q: A balloon, in the shape of a right circular cylinder, is being inflated in such a way that the…

A: The increase in radius increases the area of the caps and the area of the side wall. The increase in…

Q: In the following problem I am asked to calculate a volume respecting the rules of significant…

A: Given: volumev=43πR3R=4.5 cm To Find: Volume respecting the significant rules

Q: The length of the slope of a mountain is 2500 m, and it makes an angle of 14.8° with the horizontal.…

A:

Q: What is the value of Xc (in centimeters) if R is 15cm?

A: Given,Radius of the quater plate, R = 15 cm

Q: Find of cbject Donsity of mas 8 qo kg mas e qmo which occubies speace of o:5 m? 3

A:

Q: How many significant figures are in each of these measurements?

A: 0005 we know all non zero numbers are significant  all zeros in left side of the digit is…

Q: The kinetic energy varies directly as the square of the momentum (?) and inversely as the mass (?).…

A:

Q: Show that β ≈ 3α, by calculating the change in volume ΔV of a cube with sides of length L.

A: Write the expressions for the linear expansion and the volume expansion.

Q: What mass in kg of rain falls on the lawn in 4 h 24 min, if each raindrop weighed 49.0 ng and on…

A: Weight of one raindrop m=49 ng=49*10-12kg, number of raindrops falling per minute n=8.4*109 and…

Q: 1.55 * An Earthlike Planet. In January 2006 astronomers reported the discovery of a planet…

A: Given : m = 5.5 mE = 5.5(5.97 x 1024) = 3.28 x 1025 kg ρ = 1.76 g/cm3 = 1760 kg/m3

Q: what is the result of (4.00 m x 1.70 m)/0.60 m with proper number of significant figures?

A: Significant figures shows the number of digits used to express a measured quantity. Few rules of…

Q: The norm of the vector product a × b could represent the area of what?

A: There are two kind of product in vector analysis. Those are following, 1. Dot Product 2. Cross…

Q: ok i understand much better now but where did the 0.258 come from (multiplied to 17)

A: Moment of force

Q: Find the product below and express the answer with units and in standard scientific notation with…

A: In the first step, multiply the numerical value given in the expression, next find the product…

Q: IS a ge. Wld ough the sur the spner units of N m2/C? Select one: O a. 1.75 x105 O b. 1.7x 10-16 O .…

A: Use Gauss's Law to find flux Flux=sum of all charges within the surfaceε0 value of ε0=8.85×10-12…

Q: Given that there are 2.54 cm in one inch, how many inches are in 100 meters?

A:

Q: The unit forr enegy ave kam*/sWhat nits must be have in the following 2auation,assuming E Stands fo-…

A:

Q: In an experiment, a student obtained the following masses for a product: 0.651 g, 0.643 g, 0.648 g,…

A: Givenm1 =0.651 gm2 =0.643 g m3 =0.648 gm4 =0.609 gm5 =0.646 g

Q: a carpenter has a block of wood 2.4 meters long he cuts off 1.8  . how long is it now

A: Given , Total length , L = 2.4 m  Cut length = 1.8 m

Q: Your height is 1.5m and you look towards a pool that looks like 1.3m deep. Will you be able to stand…

A: Given:height, h=1.5 mapparent depth of pool, happ= 1.3 refractive index, nwater = 1.33

Q: Consider the equation 4000/400 = 10.0. Assuming the number of significant figures in the answer is…

A: To determine: Find the number of significant figures in 4000 and 400.   Given: number, 4000 can be…

Q: Given the quantities a = 2.6 m, b = 6.5 s, c = 98 m/s, what is the value of the quantity d = -

A: The value of quantity d. given, a=2.6 m b=6.5 s c = 98 ms-1

Q: By what factor does the volume of a cube increase if the lengths of the edges are doubled?

A:

Q: How many years older will you be 1.00 gigasecond from now? (Assume a 365-day year.) * О 31.7 уrs O…

A: 1 gigasecond = one billion second = 31.7 years  .

Q: The following formula estimates an average person’s lung capacity V (in liters, where (1L=103cm3)…

A: In the equation :V = 4.1H +0.018A +2.7All the terms must have same all dimension to be accordingly…

Q: A certain tree is observed to grow 20cm per year. What will be the tree's height in meters after…

A: Rate of growth of tree = 20cm per year = 0.2m per year Height after time t years = Rate of…

Q: 50 rad/sec? to a) rev/min?, b) deg/hr2 , c) rev/sec?

A: To convert ω = 50 rad/sec2 to a) rev/min2 b) deg/hr2 c) rev/sec2

Q: What is the area of a circle of radius (a) 11.37 m and (b) 6.8 m?

A: a) The required area of the circle is,

Q: he, the dimensions of D is

A: here v is velocity . dimension of velocity is LT-1. we can add only dimensionally homogeneous…

Q: If D = (6.00î – 4.00ĵ) m, B = (-3.0oî + 5.00ĵ) m, and A = (-24.0î + 4.00ĵ) m, find the unknown…

A:

Q: A study finds that the metabolic rate of mammals is proportional to m3/4, where m is the total body…

A:

Q: The number of significant digits in (10.210 ) is: O a. 3 O b.4 c. 5 O d.6 O e.7

A: Given data:  A measurement 10.210 Required: Number of significant digits

Q: What is the height in meters of a 5 foot 6.0 inch tall person? m

A: given that,h=5 foot 6 inchconvert h in meters

Q: If In(x) 3.37, what is the value of x?

A: According to question we need to find value of x.

Q: idr F (riz

A:

Q: Knowing that one gallon = 231 in, and 1in = 2.54. The volume of 20 gallons of water equals

A: It is given that, Also, Thus,

Q: Check An architect is redesigning a rectangular room on the blueprints of the house. He decides to…

A:

Q: A farmer wants to fence off his four-sided plot of flat land.He measures the first three sides,…

A: Equate horizontal component of the resultant vector to zero

Q: 나.>Um 3.8cm

A:

Q: The dot product of vectors A and B is 6 sq. meters. If B = 3.5i + 5.1j – 3k meters and the angle…

A: Given data: Dot product of vector A and B = 6 m2 Vector B = 3.5i + 5.1j – 3k Angle between vector A…

Q: You take your pulse and observe 74 heartbeats in a minute. Whatare the period and frequency of your…

A: Given: The number of beats per minute is 74.

Q: Prove 1.) Assume that the population of a certain city increases at a rate proportional to the…

A: 1.

Q: in the general linear equation y=bx+a, what is measured by the value of b?

A:

Q: 128. Compute the relative error and absolute error when measuring the area of a rectangle of length,…

A: As per guidelines, only first , Q.138 is solved her. L = (10±0.2)m W = 6±0.1m We know that area =…

Q: The length of the slope of a mountain is  2690  m,  and it makes an angle of 10.0° with the…

A:

Q: a prescription calls for 750 mg of drug L. After weighing this amount on a balance, which registers…

A: Given data:  Expected weight = 750 mg Actual weight = 720 mg Required: Percentage error

Q: Zeroes at the end of the number are significant, such as 0.120.  True?

A: The number of zeroes that are leading a non-zero number are insignificant. The zero preceding the…

Q: If y equals to 9 minus 7x plus 2x squared, find y when x equals to 3?

A:

Q: How should the computed result be reported, to the proper number of significant figures, for the…

A: Solve the given set of mathematical operations.