The intensity of light (in foot-candles) varies inversely as the square of x the distance in feet from the light source. The intensity of light 2 feet from the source is 80-foot candles. It is to determine how far away is the source if the intensity of light is 5 foot-candles

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A: the equation of particle along the h-axis is given by h(t) = t3 - 3t2 -45t  ------- (1) to determine…

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Q: 0.00384 × 10-10 m can

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Q: Still think that unit conversion isn't important? Here is a widely publicized, true story about how…

A: Part (B): Given: The force in the SI unit is 15 N. 1 slug = 14.59 kg, and 1 ft = 0.3048 m.

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A: Given Frequency = 5×1010 Megahertz

Q: erive equation (6) with units by substituting in equations (4) and (5) into (3).

A: Given:- Find:- Derive equation (6) with units by substituting equations (4) and (5) into (3).

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A: Given: Intensity at 2.5m = 6648 lux To find: Intensity at 5m

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Q: One liter of oil is spilled onto a smooth lake. If the oil spreads out uniformly until it makes an…

A: The given values are,

Q: Evaluate the simplest SI unit of K, if K Ft2 m²x2

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A: The figure shows the free body diagram of the pair of steps.

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A: In this question we have been given with a p-dimensional response variable containing p variables.…

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A: Table

Q: QUESTION 2 Referring to the following equation: y=-3log(2.5x-0.5T) If the quantity y is measured in…

A: The given equation is, y=-3log2.5x-0.5T

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A: Initial worth of car =$11,500 in 2013 Worth of car in 2015 =$7,900

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Q: 1. When a graph is drawn, along the X axis is chosen and along the Y axis is chosen. v cm/s 105 90…

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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…

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Q: a. Convert 125.0km to centimeters  b. Convert 200.0 mls to Liter

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Q: Question 1 Solve the equation a (3x + 5a) = 7 (x – b) for x assuming - that a=-22.8 and b=3.98. Give…

A: Questions based on Quadratic equation

Q: Which of the following correctly describes A=90090 in scientific notation (with correct sig figs)?…

A: Given values, A = 90090 E# represents 10 raised to the power of #.

Q: Still think that unit conversion isn't important? Here is a widely publicized, true story about how…

A:

Q: Referring to the following equation: y=-3log(2.5x-0.5T) If the quantity y is measured in cm2/min, x…

A: y = -3 log (2.5 x - 0.5 T)    x = g/ cm3   y= cm2 / min      T= C log (2.5 x - 0.5 T)   = UNITLESS…

Q: The sides of a small rectangular box are measured to be 1.7 ± 0.015 cm, 2.05 ± 0.035cm, and 2.7 ±…

A: Given: l=1.7±0.015 cmw=2.05±0.035 cmh=2.7±0.11 cm

Q: The quantity called mass density is the mass per unit volume of a substance. Express the following…

A: Given density of aluminum = 2.7 × 10-3 kg/cm3

Q: Estimating Errors for Multiple MeaSurements of a Physical Quantity Using variance Distance (M)…

A: Actual value of a physical quantity x = x1 + x2 + •••••+xn /n

Q: Problem 1 - Unit Conversions A plane moves with speed v = 400 km/h; rewrite v in m/s. The density of…

A: 1 km consists of 1000 m and 1 hour has 3600 sec. 1 kg has 1000 gm and 1 m has 100 cm .

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Q: If the relationship between y and xis given by y= 30 x5 are the slope and y- intercept of the log y…

A: y = 30x5Taking log on both sides, we get : log (y) = log (30x5)log(y) = log(30) + log(x5)log(y) =…

Units and Dimensions

These are generally defined as the terms which precede or describes the dimensions further. These are also further divided into two parts namely fundamental units and the derived units.