Explain how polarized sunglasses provide protection. In your answer, include an explanation of the meaning of polarization, two natural methods of polarization, and what you would see if you rotated one polarizing lens with respect to another polarizing lens (with an explanation).

Q: 25.4 m 4 km hr hr

A: Given data: 25.4 mi/hr - 4 km/hr Here mi/hr - miles per hour km/hr - kilometer per hour

Q: 146.88 What is The answer in 2 significant figures?

A: The value 146.88 can be written as,

Q: How many significant digits are there in the number 4530.0. Answer: 5 x

A: According to question we need to find number of significant digits.

Q: A car starts from the origin and is driven 1.25 km south, then 8.75 km in a direction 57° north of…

A: Given value--- firstly driven 1.25 km south, then 8.75 km in a direction 57° north of east. We…

Q: That's not the correct answer! The answer is 45 m

A: P = 1.3 MW v = 9.5 m/sCp = 0.36rho = 1.225 kg/m^3

Q: A man weighs 176 lb. Determine the weight in newtons. (1 kg = 2.2 lb)

A: Given Mass of man m = 176 lb To find  Weight of man in Newtons

Q: Convert 21 m/s to km/hr.

A: Given data:  21 m/s Required: The value of 21 m/s in km/hr

Q: If a vector has a x-component = - 53.7 m and a y- component = -12.3 m, what is the direction of the…

A: The vector diagram for the provided vector is:

Q: N vs. TIME graph below, click on the spot where the VELOCITY IS ZERO (the arrow will be placed where…

A: Introduction: When the body does not gets displaced with time, the velocity is said to be zero. So,…

Q: Vector A = 3+39+2 and B = -4£ – 2ŷ + 52. Find the dot product and the cross product of A and B.

A: Given: Vector A→=3x^+3y^+z^ and vector B→=-4x^-2y^+5z^

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: A vector has an x-component of 2.64 and a y-component of 4.58.  The magnitude of the vector is:

A: The objective of the question is to find the magnitude of a vector given its x and y components. The…

Q: 122 km/hr = mile/hr

A:

Q: Convert 41.4 m/s to units of km/hour.

A: Given data:  Speed (v) = 41.4 m/s Required: Speed in units of km/hr

Q: What mass in kg of rain falls on the lawn in 6 h and 2 min, if each raindrop weighed 13.0 ng and on…

A:

Q: The uniform bar has a mass m (given below) and length L (given below). It is released from rest at…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: 5.00 m 3.20 m 2.00 m Figure P8.3 3. A block of mass m = 5.00 kg is released from point @ and V…

A:

Q: 7. A space station, in the form of a wheel 120 m in diameter, rotates to provide an “artificial…

A:

Q: 23 m/s to km/hr?

A: Given 23 m/s we have to convert into km/hr as we know 1km=1000m so 1 m=11000km 1hr=60 min=3600 sec…

Q: A force 4 N making angle 45 with x axis. The y component is?

A: Answer Given  Force  F = 4 N Angle θ = 45º with x axis we have to find y component.

Q: A vector has an x component of -24.5 m and a y component of 31.9 m. Find the magnitude and direction…

A: 1st part solution:

Q: Vector A = 7.4 i + 3.2 j.  Vector B = 3.7 i - 7.1 j. Calculate the angle between the two vectors in…

A: Given data The vector A is given as A = 7.4 i + 3.2 j The vector B is given as B = 3.7 i – 7.1 j.…

Q: 3. A 5 kg block is initially at rest on a horizontal frictionless surface. Two forces, F = (4 – x²)î…

A: The total force on the block is the sum of two forces, i.e. F→=F→1+F→2F→=4-x2i + 4 j     (1)…

Q: Verify the following relations for cylindrical coordinates u = r, v = 0, w = z: a) the surfaces r=…

A: The relation between cylindrical and cartesian coordinates is,   r=x2+y2               z=z x=rcos(ϕ)…