A boy on a wooden raft is moving at a speed of 0.7m/s perpendicular to the direction of the river, which is moving at a speed of 1.70 m/s. What is the boy's speed relative to the riverbank? 0.70 m/s River current

Q: -12 The dimensions of (µo&0)¯*

A: Permeability of free space, μ0=4π×10-7 Permittivity of free space, ε0=14π(9×109) Hence,…

Q: 7. The figure for this question contains the cross section dimensions for stations 25 and 26 of a…

A: On considering the three level section, The area of cross section can be denoted as, Area of cross…

Q: Now you have a nucleus with 6 protons at x = 3.4 Angstroms on the x-axis. How much work would it…

A:

Q: how it arrives with the answer of 1797.510  N or  1.80x10^3 N WITH the values of Q1=10…

A: The force between the two charges is given by  F =k Q Q'r2

Q: The radius of a circular disk is given as 28 cm with a maximum error in measurement of 0.2 cm. Use…

A:

Q: The higher the absolute error, the better the accuracy of the measurement  true or false

A: Absolute error is defined as the deviation of a measurement from its true value: ∆r = ri - r where,…

Q: Utilizing dimensional analysis, Analyze if mgh (1/2) mv² = is correct

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Q: The size of a large book is measured. Length is measured as 9.4 cm, the height (thickness) is…

A: 1. Let l, b, h, m, and V denote the given book’s length, breadth, height, mass, and volume,…

Q: What is the approximate percent uncertainty in the measurement given   1.57 m2?

A: The given measured quantity is,

Q: If the measured length of the side of a square area is S = 21.1 ± 0.15 cm, determine the relative…

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Q: A reference mass of 50.00 Kg is weighted using a digital balance with 1% accuracy. The measurement…

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Q: I put sin15 in my calculator and I got .2588?

A: Given that, 0.500=T1Sin(15°)

Q: DEA agents watch drug smugglers load cocaine onto a fishing boat in a Mexican river to transport it…

A:

Q: (a) If your speedometer has an uncertainty of 2.0 km/h at a speed of 90 km/h, what is the percent…

A: The percentage uncertainty can be obtained as

Q: Using a vernier caliper of least count 0.01 cm, the length of a cylinder is measured to be 3.96 cm,…

A: The volume of a cylinder isV =πd2h4  (1) where d is the diameter of the cylinder, h is the length of…

Q: Convert 122 inches^3 to m^3

A:

Q: The error in two readings of A are 0.01 and -0.03, then mean absolute error is ?

A: The error in two readings of A are 0.01 and -0.03 First, the absolute value of the errors is taken…

Q: bottom of the what distance

A: GivenA cylindrical tank filled with water to depth, D=0.35 mCrossectional area of hole, A=6.67…

Q: A (An) ______________ measurement is one in which systematic errors are small.

A: Systematic errors are the errors introduced due to the inaccuracy of the measurement. This error is…

Q: Why did you use 1/2 in the equation?

A: we need to find the torque on stick  torque=force X perpendicular distance

Q: Suppose the mass of ice, 13 g, is measured with a scale that measures to 0.1 g. Calculate the…

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Q: If n=5, how many values are possible for Ml?

A: For an electron that has n=5, then the possible values of angular momentum quantum number is 0,1,2,3…

Q: ive engineers measure the thickness of a slab using a meter stick and a vernier caliper. One…

A: SOlution: to wirte the reading of the measurement

Q: A man strikes one end of a thin rod with a hammer. The speed of sound in the rod is 15 times the…

A: Let L be the length of the rod It is given that the speed of the sound wave in the rod is equal to…

Q: Determine the cost of one baseball if a case containing one dozen baseballs costs $45.00.

A: I have written about given information

Q: Organ pipe A, with both ends open, has a fundamental frequency of 300 Hz. The third harmonic of…

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Q: 2.) A single reading taken with a meter stick for the length of a cylinder is 5.5 cm. What is the pn…

A: Meter scale measures the length of object in meters. Percentage error is given by = Measured value-…

Q: Modern instruments usually have digital readouts; the reading in the rightmost digit will sometimes…

A: This type of error is called quantization error or digital noise. Quantization error occurs when an…

Q: Which one of the following quantities has the dimensions of ML^2 /T^2 Select one: O a. mrv O b. mv O…

A: Required dimensions = ML2/T2a) dimensions of mrv = M * L * (L/T) = M L2/T

Q: A cell membrane is 4.81 nm thick. How thick is it in inches?

A: The given dimension is    Now, from unit conversions, we know that

Q: A commercial airliner with four jet engines, each producing 64 kN of forward thrust, is in a steady,…

A: Given Four jet engine provide forward thrust, F=64KN In this case, we have a commercial jet with…

Q: A good-quality measuring tape can be off by 0.58 cm over a distance of 23 m. What is its percent…

A: a measuring tape can be off by 0.58 cm = (0.58 / 100) m Here, 100 cm = 1m and 1 cm = (1/100) m Total…

Q: d = vt

A: given equations = d = v t here d = distance           v = velocity          t = time

Q: 16.7 miles is the maximum link distance to guarantee LOS, so the height of the towers must be: * O…

A: given; maximum distance D=16.7 miles =88176 ft