In astronomy, distances are often expressed in light-years. One light-year is the distance traveled by light in one year. If the distance to a star is 5.5 light-years, what is this distance in meters? (There are 365.25 days in one year.) Number i Units

Q: could you please specify which numbers are superscripts ie the the πa2 written as πa2? Also section…

A: Given, Magnetic field by wire and ring

Q: What is its length?

A:

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: In astronomy, distances are often expressed in light-years. One light-year is the distance traveled…

A: 1 light year is the distance traveled by light in one year. 1 year = 365.25 days            = (…

Q: What is the speed of a car going v=1.000 mph in SI units? Notice that you will need to change miles…

A: As per the question, the speed of the car is v mph, we have to convert the speed of the car v in SI…

Q: The mass of an object is 5.68 x 10-28 kg. What is the mass in milligrams? Report your answer in…

A: Mass of the object is m =5.68×10-28kg

Q: An equation for potential energy states U = Mgh. If U is in kg·m^2 ·s−2, M is in kg, and g is in m…

A:

Q: Tectonic plates are large segments of the Earth's crust that move slowly. Suppose that one such…

A: Given: Speed v=4cm/year

Q: How many years older will you be 1 gigaseconds from now? (Assume a 365-day year.)

A: Given -  1 gigasecond To find - How many years older you will be after 1 gigasecond. As we know,…

Q: Write each of the following numbers to 3 significant figures in non-exponential notation. (Do not…

A:

Q: Use the "Common Metric Prefix "Chart on your Math Review homework to convert 1 um to meters.

A: We know that1μ=10-6                    11cm=10-2m                 2

Q: A 1140-N uniform beam is attached to a vertical wall at one end and is supported by a cable at the…

A: Given data-Weight of uniform beam Weight of crate Let length of beam L, and magnitude of horizontal…

Q: D) indicate the approximate uncertainty implied as an absolute quantity and E) indicate the…

A: Approximate uncertainty: Square the results after removing the mean from each measured value. tally…

Q: We are going to make a simple approximation of the number of atoms in the universe. Assume all the…

A: Given that, Density of sun = 1.4 g/cm3 Radius of sun = 7.0×108 m =7.0×1010 cm Mass of the sun =…

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: A car has a speed of 100 km/hour and an acceleration of 9100 km/hour2 . a) Calculate its speed in…

A:

Q: THE GREAT WALL OF CHINA IS APPROXIMATELY 21,196 KM LONG. IF A WALKING ROBOT WOULD WALK ACROSS IT AT…

A: time = distance/speed

Q: Given that the average size of a human skin cell is about 10 microns across, which of the following…

A: Scientists estimate that the human body is made up of around 10 trillion cells in total. Your skin…

Q: 5.00 cars pass through an intersection each second. How many cars pass the intersection in 1.00…

A: In 1 year there are 365.25 days.  In 1 days there are 24 hours.  In 1 hours there are 60 minutes.…

Q: 18. An intelligent alien living on a planet in the solar system orbiting Alpha Centauri, the nearest…

A: The time taken by the Alien to receive signals is, t=dv=4.367 light year6.0×1012 miles1 light…

Q: Significant Figures: Complete the table below. Number 0.00300 925,592 720 0.00235 5.24 2500 Number…

A: Also, if the digit to be dropped in exactly 5, then we need to check the next digit. If the next…

Q: We have a very large sheet of extremely thin paper. Assume that the paper is in fact only 0.1mm…

A:

Q: Rank these SI distance units from smallest to largest: μm, am, fm, nm, mm, cm, m, km, Gm, Tm, Mm,…

A: Rank these SI distance units from smallest to largest: μm, am, fm, nm, mm, cm, m, km, Gm, Tm, Mm,…

Q: A new physics unit of distance is created and called the Zarkov.  A student informs you 1 Zarkov (1…

A:

Q: The satellite is moved into a new orbital radius R2 from R. R2 is greater than R. Compare the…

A: we have R2>R

Q: An expression for buoyant force is FB = ρgV, where FB has dimensions [MLT−2], ρ (density) has…

A: Buoyant Force is given by FB = ρgV FB is Buoyant Force which has dimensions [MLT−2] where ρ is…

Q: Express the Following using Prefixes : 96x(10°) Volts Volts b) 56x(10 3) meters %3D meters )…

A:

Q: There are 2600 miles between Boston and Los Angeles (in a straight line). If a plane flies at…

A: The distance between Boston and Los Angeles, S=2600 miles The velocity of the plane, v=600 mph

Q: 1.34 light-years to miles (a light-year is an astronomical measure of the distance traveled by light…

A: To Solve:1.34 light-years to miles30.0 yards to centimeters3.4 1010 cm/s to ft/s

Q: In astronomy, distances are often expressed in light-years. One light-year is the distance traveled…

A: Speed of light=3×108 m/s Light travels in a year=             3×108×365.25×24×3600 m…

Q: The units for energy are kgm^2/s^2. What units must the constant A have in the following…

A:

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: In astronomy, distances are often expressed in light-years. One light-year is the distance traveled…

A: We know, light travels at 3*108 m/s So, 1 light year = (3*10^8 m/s)*(3600 s/hr)*…

Q: , distances are often expressed in light-years. One light-year is the distance traveled by light in…

A: Given: Distance to a star is 5.1 light-year Find: Distance to star in meters.

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

A:

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: Given a set of length measurements: 62.1, 62.5, 61.7, 62.6, 62.7, 61.9 cm. Find the standard error…

A: The formula for ​Standard Deviation: Standard Deviation, σ=∑i=1n(xi-x)2(n-1)​​where: xi = Value of…

Q: Monarch butterflies belong to one of the most beautiful species of animals. To protect themselves…

A: Given Data: The distance covered by the butterflies is: d=3960 km The time taken to travel the…

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: An astronomical unit (AU) is the average distance between the Earth and the Sun, approximately 1.50…

A: Given data:  1 AU = 1.50 × 108 km Speed of light (c) = 3.00 × 108 m/s Required: The speed of light…

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…