Example 1. How many elections represent a charge of -70 μ? -19 21 10 = 1.6X10C2. What is the electric charge in MC of 5x10" protons? 3. A metal sphere has 4.3 x10 protons and 6.8 x10 electrons What is the net electric charge on this metal sphere?

Q: The mass of an ear ring is 950 mg. Express this mass in SI unit. (a) 9.50 x 10-6 kg (b) 9.50 x 10ª…

A: Given data: Mass of an ear ring (m) = 950 mg Required: Mass in SI unit

Q: Estimate the surface area of a person.

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Q: 9. Tectonic plates are large segments of the Earth's crust that move slowly. Suppose that one such…

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Q: b) Calculate the energy delivered to the ment at t 10, 30, and 80 ms. %3D

A: (b) part of this problem is solved. Given: The figures given is as follows:   Introduction: Power…

Q: Convert the following numbers to scientific notation. (a)    568,157 --- ✕ 10 --- (b)    0.000301…

A: (a) The scientific notation of the given number is,

Q: a certain field has a length of 516 ft. how long is the field in meters? answer only

A: Length, L = 516 ftWe have to convert length (in ft) to length (in m).

Q: 1f: A-3) -j+K and B = 1-3j +K J+K and Bs-3j +kK calculate the Vectas (C) Sothat A-B+C

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Q: when electrical appliances whose power usage is x watts is run Y seconds , it uses XXY joules of…

A: The energy unit used by electrical utilities in their monthly bills is the kilowatt-hour.

Q: 2.07 is not correct is there another way to sort?

A:

Q: what is the final answer? -25.28 ? or 9.02?

A: For question 7

Q: Q1 (70 P). Please look at the Figure 1 equation OT D O1 Th (c) Please find the slope at B, LADI

A: It can be proved that, EIdydx=15ωL232-ωx36-7ωL324 Where, dydx is the slope.

Q: A marathon runner averages 9.3 mi/h. How long does it take them to run a 26.14-mi marathon in hours?…

A: Required to find the time in hours

Q: A cat has a mass of 10. kg. Compute its metric weight and its US system weight.

A: Given data *The mass of the cat is m = 10 kg The mass of the cat in metric weight can be calculated…

Q: For the circurit below, the saturantion Currents of Di ond Dz ore Isi=2A, Is2= 10A. The Cuent I=4mA,…

A: Given :               Is1= 2Is2 = 10-15AI = 4mA

Q: Write the following as full (decimal) numbers without prefixes on the units: (a) 286.6 mm (b) 85uV…

A: SI prefixes helpful for to form decimal multiples and submultiples of SI units. For example: 0.001…

Q: How did it become 21.3 + (1.88)m?

A: Here we have to add all x-component and all y-component terms.

Q: calculate axb if a=i+5j and b=-5j+2k

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Q: convert 10 millimeters to meters.

A: Given data: 10 millimeters Required: Value in meters

Q: The figure shows vertical parallel plates of length L=5 cm separated by 4 cm. Electrons (mass me =…

A: Given : Length of the parallel plates L=5 cm distance between plates d=4 cm=0.04 m distance from…

Q: D. Calculate the following with the correct number of sig figs. 1. 5.00 + 2.1 2. 901 11.90

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Q: A liter of water water weighs about 8.48 N. Compute its mass in kg.   Round your answer to 3…

A: We are given weight of water. This weight is of 1 liter water. We find the mass of water. The…

Q: You, are dnving 117 mi/hr. when a dog runs acos your path. You ilam on your breaks and in 3.5 sec…

A: v=92 mph= 40.9 m/s u= 117 mph= 52 m/s t= 3.5 s let acceleration be a

Q: Calculate .456 x 12.54 keeping only significant figures.

A: Given : To calculate  .456 x 12.54 keeping only significant figures.

Q: 9. Write the following as full (decimal) numbers without prefixes on the units (d) 62.1 ps (e) 22.5…

A: For finding the full numbers, we just need to know the decimal representation of the unit prefix.…

Q: 6. The volume of a cube is 250 mm3. What is the length of one of the sides?

A:

Q: A 2000kg car traveling at 21 m/s takes 51m to stop under full braking. The same car under similair…

A: Given : m = 2000 kg vo = 21 m/s s = 51 m v = 0 (because finally the car stops) To determine :…

Q: Is the answer 161.91W?

A: From the solution of previous problem, R1 = 23.314 Ω Using, R2=R1[1+α(Tf−Ti)]…

Q: Problem 4.12 Calculate the potential of a uniformly polarized sphere (Ex. 4.2) directly from Eq.…

A: Potential due to uniformly charged sphere isV(r)=3ϵ0​r2R3Pcosθ​             for (r>R)  and…

Q: 5. A certain brand of house paint claims of 460ft^2/gal. of coverage what is the inverse the…

A: Original quantity given is 460  ft2/gal To find Inverse take reciprocal of original quantity,  =…

Q: 1. 200 kg = 2. 6um = 3. 4 Tbytes = 4. 5 Mm 5. 4 mg bytes mm kg %3D

A: We know that1 kg =103gAccording to question200kg=200103g200kg=200000g200kg=2×105g

Q: angular acceleration

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Q: You have 2 positive charges, Q+ and +4Q. Ther are fixed on the axis shown on the image. They are 1.2…

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Q: 10. (a) Refer to Table 1.3 to determine the average distance between the Earth and the Sun. Then…

A: from the table(a)distance of earth from sun , r=1011 mnow assuming that earth goes around sun in…

Q: QUESTION 6 A crate is sliding on a level surface with coefficient of kinetic friction, uk, while it…

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Q: 6. The volume of a cube is (Express your answer in

A:

Q: I got an question, why is the 1.22 negative

A: Here given gravitational potential energy= -mgh

Q: Dont you need to divide the 1000 by 9.8 so it would be 102.04?

A: The area of boats is A = 50 m2  The pressure is P = (0.02 × 1000 × 9.8) Pa

Q: A yacht is 57 m long. Express this length in feet. ft

A: Required : Length of 57 m long yacht in feet.

Q: wouldnt it be just 30 divided by 1.5 = 20

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Q: .0.03 ds 0.03

A:

Q: A family a light bulb of loow, a fan of loow, uses an elechric heater of loo w, each for 8 houss…

A: Given:  Wattage of fan= Pf=100 W              Wattage of bulb= Pb=100 W              Wattage of…