Question 2.5: A new unit of length is chosen such that the speed of light in vacuum is unity. What is the distance between the Sun and the Earth in terms of the new unit if light takes 8 min and 20 s to cover this distance?

Q: The quantity pi = 3.14159c is a number with no dimensions, since it is a ratio of two lengths.…

A: If a physical quantity is given by ratio  of two similar  type of  physical quantity then this…

Q: A new unit of length is chosen such that the speed of light in vacuum is unity. What is the distance…

A: Given: Speed of light = 1 unit Time taken = (8 x 60) + 20 = 480 + 20 = 500s

Q: Calculate a light-year in [a] km and [b] Mile

A: We are given with the following information : Speed of light=3*108 m/s=3*105 km/ s=1.86*105 mile/s…

Q: What is the value of n+r/(2.000) 2, written with the correct number of significant figures? O…

A: To determine: The value of π+π2.0002

Q: E. coli cell in 1/10 of a second. If the length of an E. coli cell is 1500 nm, how fast does the…

A: The objective of the question is to find out the speed of a water molecule in miles per hour (mph)…

Q: An astronomical unit (AU) is equal to the average distance from Earth to the Sun, about 92.9 × 106…

A: The smaller unit of distance is meter, millimeter, micrometer, nanometer, picometer, etc. The larger…

Q: On the planet Zebulon, the standard unit for length is the clorf (cl) and the standard unit for time…

A: Given values -  1 cl = 0.765 m  1 be = 1.957 s Driving speed = 85 mi h-1 1 mi = 1609 m  First, we…

Q: In astronomy, a unit of distance is used called the Astronomical Unit. It is the average distance…

A: The given values with suitable variables are listed below. Here, c denotes the light speed and d…

Q: A light-year is the distance light travels in one year at speed =2.998*10^8m/s a) How many inches…

A: (a) The distance traveled by the light in one year can be evaluated as, d=2.998×108 m/s365×24×3600…

Q: All the stars of the Big Dipper (part of the constellation Ursa Major) may appear to be the same…

A: Distance from Alkaid to Merek is = 76.15 Ly  Alkaid is 129.51° apart in the sky from our sun.

Q: true or false. I- The speed of light in vacuum is a universal constant, whose value (without…

A: The speed of light in vacuum is a universal constant , whose value is;…

Q: The moon is receding from the Earth at a rate of 3.8 centimeters per year. Please convert…

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Q: The speed of light is 2.998 × 108 m/s. One light-year is the distance that light travels in one…

A: Dear student, this question contains more than three sub-parts. As per guide lines we will answer…

Q: One mole of Gold (Au) atom has a mass of 197 g. We know that the density of gold is 19.30 g/cm3 in…

A:

Q: According to Timothy Treadwell in 2001 "Now, the bears I live with average, the males are on average…

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Q: Assume your hair grows at a rate of 1/44th of an inch per day. How fast is that in nm/s (nanometers…

A: Relation between units of length: 1 inch =2.54×107 nm units of time: 1 day=24×3600 s Grow rate of…

Q: A light-year (ly) is the distance light travels in one year (at speed of 2.998 ×× 108 m/sm/s ). An…

A: Given that:- Speed of light=2.998×10^8m/s

Q: The distance between Saturn and the sun is approximately 8.9 × 108 mi. The speed of light is…

A: Given data:  Distance between Saturn and the sun (d) = 8.9×108 mi The speed of light (v) = 1.9×105…

Q: A light-year is a measure of the astronomical distance that light traverses in a vacuum in 1 year.…

A: Kilometre that light travels in 1 ly is equal to    1 ly = 3*10^5 * 365*24*3600 1 ly = 9.4608*10^12…

Q: Given that average speed is distance traveled divided by time, determine the values of mm and nn…

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Q: How many meters are there in 6.50 lyly ? Express your answer using three significant figures.…

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Q: Suppose a machine is invented to measure the amount of knowledge in a student’s head in units called…

A: (a) The rate at which the student is gaining (or losing) knowledge as a function of time is :…

Q: A car’s speed is 65 km/hour, What is this speed is the unit of “m/s”?   Question 2 options:    12…

A: Given: The speed of the car is 65 km/h.

Q: The kinetic energy K of an object of mass m moving with speed v is given by the formula K = mv2. The…

A: Given Mass of an object = m Speed of the object = v Kinetic energy of the object = (1/2)mv2 The  SI…

Q: The quantity p = 3.14159c is a number with no dimensions, since it is a ratio of two lengths.…

A: Given:-                The quantity p = 3.14159 c is a number with no dimensions, since it is a…

Q: A person walks 4 m to the park, then he walks 8200 km in the park then he returns back to home after…

A: Write the given values with suitable variables. d1=4 md2=8200 km=8200×103 md3=720 cm=7.2 m Here, d1…

Q: All of the stars of the Big Dipper (part of the constellation Ursa Major) may appear to be the same…

A: Given, The angle between Alkaid and Merak is 25.60 One year light =9.461×1015m Let the position of…

Q: An astronomical unit (AU) is equal to the distance from Earth to the Sun, about 149.6 million km. A…

A: To relate parsec (pc) to AU:we know that when θ is measured in radian, it is equal to the arc length…