A speck of carbon dust may contain as many as 30 billion atoms of carbon, each atom having a mass of 2.00 x 10-23 grams. Suppose the mass of all the atoms in a speck of carbon dust were converted entirely to energy and applied to the kinetic energy of a baseball. How fast would the baseball be moving? (Mass of baseball = 0.145 kg. ) (1 gram = 1 x 103kg)   (KE = ½ mv2) (1 billion = 1 x 109)

Q: one meter is 100 cm. Does it therefore follow that one cubic meter is 100 cubic centimeters? explain…

A: As we know, 1 meter is equivalent to 100 cm, So one cubic meter is equivalent to, 1 m3=100 cm3=106…

Q: Prof. Chini's research group uses short bursts of laser light to measure the motion of electrons…

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Q: While going down a roller coaster 20 m above the ground, a 100kg man is moving at 10 m/s  What is…

A:

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: 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: Light travels at a speed of 3.0×108 m/s in air. What is the speed of light in glass, which has an…

A: Write a given values of this question. Velocity of light in air. c=3×108m/s Refractive index of the…

Q: How many times longer than the mean life of an extremely unstable atomic nucleus is the lifetime of…

A: Given that, the life time of unstable atomic nucleus is in the order of 10 s. (In actual case, it is…

Q: A mass of 78g is placed on the end of a 5.3cm vertical spring. This causes the spring to extend to…

A:

Q: The mass of an electron is (9.11)(10-31) kilogram, and the mass of a proton is (1.67)(10-27)…

A: Mass of the electron, me=9.11×10-31 kg Mass of the proton, mp=1.67×10-27 kg

Q: An object's momentum changed from (-1, –3, 5) kg m/s to (0, -8, –2) kg · m/s in 1.5 s. The object's…

A: Given, MomentumP1=-1,-3,5P2=0,-8,-2m=19.5 kgt=1.5 s

Q: Convert 74 millimetres (mm) to kilometres (km) Answer: 7.4e-5 Convert 115 cm2 to km2 Answer: 1.15e-8…

A: The conversion of millimeters (mm) into kilometers (km) is determined as 74 mm=74×10-3 m=74×10-3…

Q: The force of +40.0μC at (0, -3.00m) and +20.0μC at (0, 3.00m) on 50.0μC at (4.00m, 0) is

A:

Q: The number of square centimeters in 4.00 square meters is O 1) 4000 O 2) 400 O 3) 40 O 4) 40000

A: Given  4 m2

Q: chimpanzee from location A will have an average lifespan was 27 ± 4 years and a chimpanzee from…

A: A1) The lifespan of chimpanzee on location A ranges from 27-4 to 27+4 years i.e. 23 to 31 years.…

Q: 100 ,000m 10 years = 25 minutes = nm(nanometer) Sec(Seconds) Years %3D

A: Required:  100,000 m into nanometer 10 years into seconds 25 minutes into years

Q: Write the exponential form of the following: 5. 4670000000 6. 0.000893 7. 344500 8. 230000

A:

Q: A unit called the beard-second is the length the average beard grows in 1 second. A beard-second is…

A: Given 1 beard-second = 10×10-9 m

Q: A patient’s temperature was 97.0 °F at 8:05 A.M. and 101.0 °F at 12:05 P.M. If the temperature…

A: Temperature was 97.0 °F at 8:05 A.M.  And 101.0 °F at 12:05 P.M. Temperature at 3:35 P.M. = ?

Q: How to convert 2500 watts to w/h under these conditions. The 2500 watts were the measured average of…

A: Solution:   As per the above data,

Q: Is 3 m/s is greater than 2.9 m/s²? What is the explanation for this?

A: what is asked:- Is 3 m/s is greater than 2.9 m/s²

Q: The doctor finally figures out wha is wrong with you and prescribes a medicine that will return you…

A:

Q: ME y 40° B In the figure, if A = 15, and B= 10. What is the magnitude of AxB? 114.9

A:

Q: A mass of 76g is placed on the end of a 3cm vertical spring. This causes the spring to extend to…

A:

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…

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Q: Convert the following quantities as requested (no computation required): (a) 10 cg =  ___g (grams);…

A: (a) solution- We know that  1 cg = 0.01 g So, 10 cg = 10× 0.01g = 0.1 g = 10-¹ g (a)Answer=> -1

Q: Let À = 3.92i + 4.41j and B = -3.02i + -2.43j. What is the angle between À and B measured in…

A:

Q: A patient’s temperature was 97.0 °F at 8:05 A.M. and 102.0 °F at 12:05 P.M. If the temperature…

A: As the patient’s temperature change with respect to elapsed time was linear throughout the day so…

Q: The solution to a problem is represented by the following equation:…

A:

Q: 6. Express the number in decimal: 1.52 x 10^-2 0.00152 0.152 0.0152 0.000152 7. Express the number…

A: 6) Explanation: The exponent is -2, converting it to  10 to the power of inverse 2. When an exponent…

Q: Grandma Mary is four times the age of her granddaughter Jane. Ten years ago Jane was 1/10 the age of…

A: Given Grandma Mary is four times the age of her granddaughter Jane. Ten years ago Jane was 1/10 the…

Q: Kinetic energy can be found using the formula Ek=12mv2Ek=12mv2. The variable EkEk represents…

A: Given, Kinetic energy is expressed in the form, Ek = (1/2)mv2 Concept: Kinetic Energy is energy that…

Q: In one of the videos I said that a typical American household uses energy at a rate of about 10,000…

A: Energy=10000joules

Q: planet Earth, Jupiter, the Moon, and the Sun have the following values: mJ = 1.90x1027kg , mE =…

A:

Q: (Please refer to Fig. 1) W = FAx (Equation 1) F = qE (Equation 2) APEetec = -W (Equation 3)…

A: The derived equation is the change in electrical potential energy which is defined as the product of…

Q: How do you convert from days to years?

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Q: A = 2 X 1025, B = 4.5 X 10-10, C = 3 X 10-6. AB/C = ?       (2) ACB = ?       (3) The Moon…

A: Given,  A = 2 X 1025, B = 4.5 X 10-10, C = 3 X 10-6.

Q: Two automobiles are 150 kilometers apart and traveling toward each other. One automobile is moving…

A: Distance =speed×time

Q: Make the conversion of 2.4 Km/h2 to m/s?. O 6.67 E(-4) 1.85 E(-4) O 1.85 E(-7) 0.67 1.5 Question 2…

A: 1. Given data The acceleration is given as v = 2.4 km/h2.   Now, the conversion km/h2 from m/s2…

Q: The mass of a star similar to the Sun is 2.04 ✕ 1030 kg, and the mass of an atom of hydrogen, of…

A: The expression for the number of atoms in the stars,

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.