A pebble is dropped in a lake; and it produces ripples with a frequency of 0.50 Hz. When should a second pebble be dropped at the same place to produce destructive interference?

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

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

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: How do I convert

A: 5.1 kg = 5.1 * 1000 g             = 5100 g  [(5100 g + 730 g ) *180 m^2 ] / 12 m  = 5830 g * 15 m  =…

Q: Om=2.78 |h=31m Find P.E g=10m ls2

A:

Q: Which among the following is the distributive law for the cross product of three vectors? a)…

A: Option a

Q: 5. Find the elevation and distance from the centerline for the point P (drawing not to scale). 1 q 1…

A: Elevation at point Q,   ElQ=478-0.114+14+5ElQ=474.7ft Let the distance between points Q and P be d.…

Q: Assume that the brakes in your car result in a constant deceleration of magnitude a, which is…

A: Let the initial and final velocities of the car be denoted as u1 and v. Use the third kinematic…

Q: You are given the equation(s) used to solve a problem. Write a realistic problem for which this is…

A: We have to set up a problem that will provide a solution given in the question. By identifying the…

Q: consideration the appropriate number of Carry out the following calculation taking into figures:3.91…

A: Significant figures are the number of digits which contributes to the degree of accuracy. During…

Q: 16. How many significant figures are there in 60.5? Express your answer in numbers (1,2,3,4,5, etc.)…

A: (16) The quantity is given as x=60.5

Q: 4 Пу. i = 1´ i b. 4 II y. · * i = 1´ i d.

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: 8. An object is dropped and hits the ground 6.00 seconds later. From what height was it dropped?…

A: Time taken by an object to hit the ground=6 s Required height of object from which it was dropped.

Q: 6x² - 19 = 0

A: Solving the equation x² = 19/6

Q: 55F=k

A: Required :  55 F in Kelvin

Q: Which of the following has the most significant figures? A: 124.12 B: 124.10 C: 3.05 x 105 D: 1205…

A: The objective of the question is to identify which of the given numbers has the most significant…

Q: 17. 1.2 x103÷ 2.5 x 109 = ? A. 4.8 x10-13 B. 4.8 x105 C. 3.0 x 10-13 D. 3.0 x105

A:

Q: Which of the following cross-sectional areas will have the largest second moment of area? a. Solid…

A: We know that the Second moment of area is also known as the area moment of inertia of the shape, it…

Q: eif A-2itj-k B=i+2j+ 5k calculate A.B

A:

Q: If we have : A=-3i+5j-k B=i-j-3k Calculate a)the unit vector u in A direction b) magnitude of B c)…

A: Since you have posted a question with a multiple sub parts, we will solve first three sub - parts…

Q: How many scale does the device has ?  A. One  B. Two  C. Three  D. None

A: The device in the given picture is a Vernier caliper.

Q: Solve for r. r+P = S 8

A:

Q: In the figure, block 1 has mass m₁ = 450 g, block 2 has mass m₂ = 510 g, and the pulley is on a…

A:

Q: KE = (0.5) x 70 kg x (6.95 x 6.95)

A: We know that kinetic energy is given by  KE=1/2mv2

Q: 3 300M 300N 50 50° Find: B+ C F=?,

A: Please see the answer in next step

Q: 1. Convert the following into indicated angle measure unit: a. 36° to rad b. 125° to rad c. 2 n/5 to…

A:

Q: Incorrect Question 8 0/ 1 pts Side A=43 and Side B=12, Calculate side H. Give your answer to 1…

A: Given: Side 1 (A) = 43 Side 2 (B) = 12

Q: b. Convert the following. Show complete solution. 1.44.5 cm to mm 2. 65kg to mg 3. 14 mg to g 4.…

A: 1. Converting 44.5 cm to mm as, ∴1 cm = 10 mm⇒44.5 cm10 mm1 cm⇒445 mm Thus, 44.5 cm is equal to 445…

Q: 5. You measure the mass of an unknown object and obtain measurements of 25.6 g and 25.3 g. What is…

A:

Q: A rod has length 2 meters. At a distance x meters from its left end, the density of the rod is given…

A: Given Density of rod δ(x)=2+6x And length of the rod is 2m. Let's take a small element of length dx…

Q: Suppose you have q = 20 µC charge placed at the orign of your coordinate system. a) Using Gauss's…

A: This problem is from electrostatics (Electrodynamics). Let's solve this problem by using Gauss's law…

Q: If B is added to A, the result is 8.81 +3.0ĵ. If B is subtracted from A, the result is -4.61 +5.6).…

A:

Q: 1 Metric ton = k

A: Metric ton is  unit of weight

Q: Write a new scenario using different units

A: Magnitude is 15 .Direction is 25º North of East.