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- Determine the dimensions of the following in terms of the base dimensionsof a gravitational [FLT] system of units: (a) mv2; (b) mv; and (c) ma. Thedimensions of the variables are [m] = [M], [v] = [L/T ] and a = [L/T 2].You hopefully used g=9.8 m/s2 (or thereabouts). That is the gravitational acceleration near the earth's surface. if you rise high above the earth, the gravitational acceleration decreases. Specifically, the gravitational acceleration is inversely proportional to the square of the distance from the earth's center. Equivalently, if you multiply the acceleration by the distance from the earth's center, you should get the same number for all heights. For this problem, take the radius of the earth as 3,902 miles, and calculate the gravitational acceleration of a satellite in low orbit, 182 miles above the surface.An expression for buoyant force is FB = ρgV, where FB has dimensions [MLT−2], ρ (density) has dimensions [ML−3], and g (gravitational field strength) has dimensions [LT−2]. What must be the dimensions of V? [M2] or [MLT−2] or [L3] or [MLT]? Does the interpreation of V represent volume or velocity?
- 1. A lecture period (50 min) is close to 1 microcentury. (a) How long is a microcentury in minutes? (b) Using percentage difference = ( actual − pproximation actual ) 100, find the percentage difference from the approximation. 2.Earth is approximately a sphere of radius 6.37 × 106 m. What are (a) its circumference in kilometers, (b) its surface area in square kilometers, and (c) its volume in cubic kilometers?ok i understand much better now but where did the 0.258 come from (multiplied to 17)Newton's law of universal gravitation can be expressed by the equation F = G Mm r2 , where F is the gravitational force, M and m are masses, and r is a length. Force has the SI units kg · m/s2. What are the SI units of the proportionality constant G?
- Please help me I need to understand how to solve this problem step by step and give answer in exponential format with 3 significant figures Example: 1.24e2 not in the form 1.23x10^3An expression for buoyant force is FB = ρgV, where FB has dimensions [MLT−2], ρ (density) has dimensions [ML−3], and g (gravitational field strength) has dimensions [LT−2]. What must be the dimensions of V? [MLT−2] [L3] [M2] [MLT]can you help me to solve this? and kindly put the answers as whole number or decimals and not the significant figures? Thank you!
- One of the first things you learn in physics class is the law of universal gravitation, F = G (m1m2 /r2 ), where F is the attractive force between two bodies, m1 and m2 are the masses of the two bodies, r is the distance between the two bodies, and G is the universal gravitational constant equal to (6.67428 ± 0.00067) × 10−11 [the units of G are not given here]. (a) Calculate the SI units of G. For consistency, give your answer in terms of kg, m, and s. (b) Suppose you don’t remember the law of universal gravitation, but you are clever enough to know that F is a function of G, m1, m2, and r. Use dimensional analysis and the method of repeating variables (show all your work) to generate a nondimensional expression for F = F(G, m1, m2, r). Give your answer as Π1 = function of (Π2, Π3, …). (c) Dimensional analysis cannot yield the exact form of the function. However, compare your result to the law of universal gravitation to find the form of the functionA new physics unit of distance is created and called the Zarkov. A student informs you 1 Zarkov (1 Za) is exactly equivalent to 8 inches. Convert 4.44 × 10 5 Z a 3 m i n u t e 2to m 3 h r 2. If hard to read: asking you to convert Zarkov's squared over minutes cubed to meters squared over hours cubed. Answer in E notation without units in the box. I am assuming your output units are m 3 h r 2. Note: for some numbers the computer will convert your E notion to another notation without the E...that will not cost you points. To be clear regarding E notation, I will provide an example of what I'm talking about:My question is for problem 54 the last question. I got 4000N but I was told this is wrong. Please explain the problem thoroughly thank you.