A spherical rain drop carries a charge of 2.70E-8 C and has a potential of 5.76E+4V at the surface. Find the surface area of the drop assuming that the potential equals zero at infinity.

Q: The amplitude of the wave shown is ---.

A: Answer is (d)  2 m, explanation is in next step

Q: How high is 0.3 meters? Please show example

A:

Q: The speed 72 km/hour. What is the in-SI system of units?

A: The SI unit of speed is m/s.   Where m = meter,  s = second

Q: Convert the following to Sl units: 4.55 ms HA Value Units

A: Solution: Given,  4.55 ms Unit of above number is ms(millisecond) millisecond is a unit of time SI…

Q: Estimate the surface area of a person.

A:

Q: A student watches the tide change, and sees water waves pass the end of the dock that follow the…

A: wavelength:- distance between two adjacent crest or through or we can say identical points of…

Q: 3. What does Graph 3 represent?

A: Required : What does the graph 3 represent.

Q: (b) What is Hall effect? Find the torque on a current carrying conducting rectangular loop of length…

A: Definition: When magnetic field is applied in a direction perpendicular to flow of current,…

Q: 13. What are three advantages of the metric system?

A: As per the guide lines firs question is solve. Kindly post next question again.

Q: Solution is incorrect. Please fix it and double check. I would like a credit of an extra question…

A: As per the question width of the field is  and the length of the field Ball leaves his hand at a…

Q: 1. Express the following numbers in decimal: a) (10110.0101) 2

A: Solution: given that to expres the  (110.0101)2 following number in decimal

Q: Which ones apply

A: In the motion diagram shown in A, the points are equidistant from each other. This means that the…

Q: How many inches are there in 1 yard? a) 12 b) 36 c) 6 d) 18

A: To find: How many inches are there in 1 yard

Q: how about if it 87%

A:

Q: How many centimetres

A:

Q: How many cubic centimeters are there in a cubic meter? a) 10 b) 100 c) 1000 d) 1 × 104 e) 1 × 106

A: Significant figures are used to establish the number which is presented in the form of digits. These…

Q: Explain what are the main job duties and responsibilities of physics teacher employee?

A: The main responsibilities  of physics teacher to Understand the curriculum requirements, lesson…

Q: If you know x, a &t and want vo, which would be the best equation to use? A) x = vot + ½ at? B) v =…

A: Known quantities =x,a and tUnknown quantity=V0

Q: 6x² - 19 = 0

A: Solving the equation x² = 19/6

Q: . reliable and valid   b. neither reliable, nor valid   c. valid but unreliable   d.…

A: Given condition : Scale is giving the same measurement when repeated for the same person at a…

Q: Convert 300m to km

A:

Q: A hypothetical NH molecule makes a rotational-level transition from I= 3 to l = 1 and gives off a…

A:

Q: Q.1. For the force system shown in Fig. 1, replace the two forces acting on the rectangular solid by…

A:

Q: Convert to full form f) 2.37 x 10-2 g) 3.22 x 106 h) 5.49 x 103

A:

Q: Treat a cell in a human as a sphere with a radius of 1.0

A: Given, the radius of a cell assuming it to be spherical, r=1 micrometre  We need to estimate the…

Q: A rectangular box is h = 5.5 inches in height, w = 30.5 cm wide, and L = 0.35 yards long. What is…

A:

Q: 1). Density describes a. mass per unit volume. b. length per unit time. C. volume per liter. d.…

A:

Q: please write properly the solution, it's hard to understand

A: Given:-  initial speed of 20 m/s             final  speed of 35 m/s. Time taken in changing speed…

Q: A person travels 5 miles west and 4 miles southwest how far did they go

A: Distance is a scalar quantity that is defined as the how much ground an object has covered during…

Q: resolve correctly

A: Given: Current in the 4 ohm resistor is I = 0.2 A. Required: Potential drop across the 4 ohm…

Q: 2) The mass of a baby's brain increases by an average of approximately 1.6 mg/min. a) How much would…

A: (a)The amount of brain ass increase in 1 week is,

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: Three spheres, each having a negative charge of 4.0 x 10-6c, are placed at the vertices of a…

A: Visualize the problem:

Q: 10. A mass is moved 9.0 meters north and 12.0 meters east. The magnitude of the displacement is A)…

A:

Q: How many kilometers make one nautical mile? a) 1 b) 1.536 c) 1.852 d) 1.756

A: To find: How many kilometers make one nautical mile

Q: What must the width of the box be for the ground-level energy to be 5.0 MeV, a typical value for the…

A: Given: The ground level energy of the proton is E1 = 5 MeV The mass of the proton is mp = 1.67 x…

Q: A rug measures 8 feet in width and 12 feet in length. What is the area of the rug in square meters?…

A: Write the given values with the suitable variables. b=8 feetl=12 feet Here, b and l are the width…

Q: These answers are wrong please give me the right answers

A: