The resistance and the magnitude of the current depend on the path that the current takes. The drawing shows three situations in which the current takes different paths through a piece of material. Each of the rectangular pieces is made from a material whose resistivity is p = 1.50 x 102 Q*m, and the unit of length in the drawing is Lo = 4 cm. Each piece of material is connected to a 3.00-V battery. Find (a) the resistance and (b) the current in each case. V. 4LO 2LO Lo 4Lo 2LO 210 Lo 4Lo

Q: Carry out the following arithmetic operations. (Give your answers to the correct number of…

A: a) b)

Q: Significant figures are determined by the number of digits in a measurement that are reliably known.…

A: Significant figures

Q: A sphere of radius r has surface area A = 4πr2 and volumeV = (4/3)πr3. If the radius of sphere 2 is…

A: a)The ratio of the areas, A2/A1

Q: As a result of a medical treatment, the number of a certain type of bacteria decreases according to…

A: Here we have P(t) = 500e−0.495t (a) Hence at t=0 we get P(0)= 500e-0.495×0=500e0=500×1=500 (b)At…

Q: (a) If H(t) is the temperature of the spring at time t (minutes), explain what the differential…

A: 4) a) The given differential equation is, Here, H is the spring’s temperature at time t. The…

Q: O). What is through the rectangularly shaped volume? Assume 3 significant digits. X 7 tw 2.0 m ZA…

A:

Q: What does ratio (sin ∠i ) ÷ (sin ∠R), indicates

A: When a light ray travels from one medium to another medium then due to change in refractive indices…

Q: Page 3 of 6 Question 3 How many significant figures are there in the following measurement?…

A: T = 123.0040 s We must determine the number of significant figures in this value.

Q: When 2610 m + 11.7 m + 0.22 m are added, the answer to the correct number of decimal places is…

A: Given 2610 m + 11.7 m + 0.22 m are added, We have to answer to the correct number of decimal places…

Q: The number of seconds in 1 week when expressed in scientific notation rounded to the nearest tenths

A: We know that, 1 week = 7 days And 1 day = 86400 seconds

Q: A marathon runner averages 9.4 mi/h. How long does it take them to run a 26.00-mi marathon in hours?…

A:

Q: Draw a graph of log(y) vs log(t) with these values

A: Given data: logy logt -0.056 -0.38 0.20 -0.25 0.48 -0.11 0.73 0.017 0.81 0.057 0.93…

Q: The uniform beam has a mass of 55 kg per meter of length. Determine the reactions at the supports. A…

A: The reactions at the supports. Given, mass per unit lengthmL=55 kg·m-1mass of blockmb=250 kgLength…

Q: Express this product in units of km3 in standard scientific notation and with the appropriate number…

A: given that (4.2 km) × (4.0 m) × (13.24 × 10−3 mm)

Q: The number of significant figures of the number 6.92 E-3 mm, is: A)2 B)4 C)1 D)3

A:

Q: Perform the following calculation and state the result with the correct number of significant…

A: Significant number rule.  When two numbers are multiplied such that both the numbers have same…

Q: EXOQ Compare the auxillary equations in the cases of the double rod ordented Vertically (figure…

A: Step 1: Auxiliary equation comparision ;(a) Vertical rod In figure 1.2(a) :For the vertical double…

Q: Assume: r, x, x0 have units of m. v, vO have units of m/s. a has units of m/s/s. m, m1, m2 have…

A: Dimensions are defined as the minimum number of coordinates required to specify the magnitude of any…

Q: A lecture period (50.0 min) is close to 1.00 microcentury. (a) How long is a microcentury? (b) Usin…

A: (a)we know that,minutes in 1 century=52.6×106 minutesminutes in 1 micro century= 52.6 minutes

Q: Compute the combined moment of the two 85-lb forces about (a) point O and (b) point A. The moment is…

A:

Q: he speed v of an object is given by the equation v = A * t ^ 3 - Bt where I refers to time. (a) What…

A: Given: The velocity of the object is. v=At3-Bt…

Q: The sum of the numbers 436.32, 227.2 and 0.301 in appropriate significant figures is (a) 663.821 (b)…

A: Adding the givens, Sum=436.32+227.2+0.301        =663.821

Q: In a certain culture of bacteria, the rate of increase is proportional to the number present. (a) If…

A: (i) Let x be the number of bacteria in the culture at time t. The rate of increase dydx is…

Q: 6. An elevator is lifting two people at constant velocity from the first to the twentieth floor of…

A:

Q: The equation for a linear relationship is written in the form O (a) y=kx O (b) y = mx+b O (c) y =…

A:

Q: How many significant figures are there in (a) 78.9 ± 0.2, (b) 3.788 × 10

A: Significant figures shows that the figures which gave the accuracy in the measurement.

Q: 18. The number of significant figures in (0.062) is: A 1 B2 C 3 D 4

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: The uniform beam has a mass of 52 kg per meter of length. Determine the reactions at the supports.

A:

Q: Starting with the definition that 1.00 in. = 2.54 cm, find the number of kilometers in 3.107 miles,…

A: Given data,           1.00 inch = 2.54 cm.   By using general conversion, convert the units…

Q: In the last step, are we supposed to multiply by 0.5? If so the answer is .65.  Is this correct?

A: The given answer is 1.23m

Q: A car travels at 61 km/h and covers a distance of 32.904 m. How long in minutes did it take the car…

A:

Q: A 2.00-kg ball is raised from the ground to a bench 1.49-m high from the ground. The work done by…

A:

Q: A rectangular block of wood is measured to have the dimensions 11.2 cm, 3.4 cm and 4.10 cm. Compute…

A: The problem is asking us to calculate the volume of a rectangular block of wood. The dimensions of…

Q: In the following calculations, be sure to express the answer in standard scientific notation with…

A: 6.477 x 1044.7036 x 102

Q: An astronomical unit (AU) is the average distance between the Earth and the Sun, approximately 1.50…

A: Given data:  1 AU = 1.50 × 108 km Speed of light (c) = 3.00 × 108 m/s Required: The speed of light…