The dimensions of the quantity kinetic energy, designated by K, are kg •m2/s2. It can be written in terms of the momentum p and mass m as = 2m (a) What are the units of momentum in terms of fundamental SI units? (Use the following as necessary: kg, m, and s.) [p] = (b) Force is measured in units of newtons, N, where 1 N = 1 kg · m/s². What are the units of momentum p in terms of a newton and another fundamental SI unit? (Use the following as necessary: N, m, and s.) [p] = (c) What If? Physicists often measure the momentum of subatomic particles moving near the speed of light in units of MeV/c, where c is the speed of light, and 1 MeV = 1.6 x 10-13 kg · m2/s². Based on this, what are the units of momentum for a high-speed subatomic particle in terms of fundamental SI units? [p] = What are the units of momentum for a high-speed subatomic particle in terms of a newton and another fundamental SI unit? [p] =

The dimensions of the quantity kinetic energy, designated by K, are kg •m2/s2. It can be written in terms of the momentum p and mass m as = 2m (a) What are the units of momentum in terms of fundamental SI units? (Use the following as necessary: kg, m, and s.) [p] = (b) Force is measured in units of newtons, N, where 1 N = 1 kg · m/s². What are the units of momentum p in terms of a newton and another fundamental SI unit? (Use the following as necessary: N, m, and s.) [p] = (c) What If? Physicists often measure the momentum of subatomic particles moving near the speed of light in units of MeV/c, where c is the speed of light, and 1 MeV = 1.6 x 10-13 kg · m2/s². Based on this, what are the units of momentum for a high-speed subatomic particle in terms of fundamental SI units? [p] = What are the units of momentum for a high-speed subatomic particle in terms of a newton and another fundamental SI unit? [p] =

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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The dimensions of the quantity kinetic energy, designated by K, are kg •m2/s2. It can be written in terms of the momentum p and mass m as =
2m
(a) What are the units of momentum in terms of fundamental SI units? (Use the following as necessary: kg, m, and s.)
[p] =
(b) Force is measured in units of newtons, N, where 1 N = 1 kg · m/s². What are the units of momentum p in terms of a newton and another fundamental SI unit? (Use the following as necessary: N, m, and s.)
[p] =
(c) What If? Physicists often measure the momentum of subatomic particles moving near the speed of light in units of MeV/c, where c is the speed of light, and 1 MeV = 1.6 x 10-13 kg · m2/s². Based on this,
what are the units of momentum for a high-speed subatomic particle in terms of fundamental SI units?
[p] =
What are the units of momentum for a high-speed subatomic particle in terms of a newton and another fundamental SI unit?
[p] =

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Still think that unit conversion isn't important? Here is a widely publicized, true story about how failing to convert units resulted in a huge loss. In 1998, the Mars Climate Orbiter probe crashed into the surface of Mars, instead of entering orbit. The resulting inguiry revealed that NASA navigators had been making minor course corrections in SI units, whereas the software written by the probe's makers implicitly used British units. In the United States, most scientists use Sl units, whereas most engineers use the British, or Imperial, system of units. (Interestingly, British units are not used in Britain.) For these two groups to be able to communicate to one another, unit conversions are necessary. The unit of force in the SI system is the newton (N), which is defined in terms of basic Sl units as 1 N=1 kg · m/s?. The unit of force in the British system is the pound (lb), which is defined in terms of the slug (British unit of mass), foot (ft), and second (s) as 1 lb =1 slug ·…
A hot tub with a surface area of 28 ft2 is filled with water to a depth of 29 in . Hint: volume is calculated as area × height (A × h). A) What is the volume of water in the tub, in liters? Express your answer to two significant figures and include the appropriate units. B) How many kilojoules are needed to heat the water from 59∘F to 103 ∘F? Express your answer to two significant figures and include the appropriate units. C) If the hot-tub heater provides 5900 kJ/min, how long, in hours, will it take to heat the water in the hot tub from 59∘F to 103∘F? Express your answer to two significant figures and include the appropriate units.