3. In the future, we may encounter a civilization from another planet. They will not use the SI or AE systems of units.Suppose we meet aliens who use the Zerf as a unit of mass and the Spund as a unit of force. One Spund is the weightof a mass of one Zerf on the surface of Mars. The gravitational acceleration on Mars is 3.7 m/s?.a.) What is gc in the alien system of units? Be sure to include the numerical value and the units.b.) How much would a 350 Zerf object weigh on the surface of Mars, in Spunds?

Given: Gravitational acceleration a=3.7 m/s2 Unit of mass is Zerf Unit of force is Spund To find (a)…

Answered: 3. In the future, we may encounter a…

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter6: Uniform Circular Motion And Gravitation

Section: Chapter Questions

Problem 34PE: (a) Calculate the magnitude of the acceleration due to gravity on the surface of Earth due to the...

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In the future, we may encounter a civilization from another planet. They will not use the SI or AE systems of units. Suppose we meet aliens who use the Zerf as a unit of mass and the Spund as a unit of force. One Spund is the weight of a mass of one Zerf on the surface of Mars. The gravitational acceleration on Mars is 3.7 m/s2. a.) What is gc in the alien system of units? Be sure to include the numerical value and the units. b.) How much would a 350 Zerf object weigh on the surface of Mars, in Spunds?
A planet has a mass of 6.90 × 1023 kg and a radius of 2.89 × 106 m. (a) What is the acceleration due to gravity on this planet? (b) How much would a 74.8-kg person weigh on this planet? (a) Number Type your answer for part (a) here Units Choose your answer for part (a) here (b) Number Type your answer for part (b) here Units Choose your answer for part (b) here
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 function
(I) The asteroid Icarus, though only a few hundred metersacross, orbits the Sun like the planets. Its period is 410 d.What is its mean distance from the Sun?
The mass of Venus is 81.5% that of the earth and its radius is 94.9% that of the earth. A. Compute the acceleration due to gravity on the surface of Venus from these data. B. What is the weight of a 5.0 kg rock on the surface of Venus?
4. A) What is the cause of high tides on Earth? B) Why are there two high tides at a location on Earth?
Unreasonable Results (a) Based on Kepler's laws and information on the orbital characteristics of the Moon, calculate the orbital radius for an Earth satellite having a period of 1.00 h. (b) What is unreasonable about this result? (c) What is unreasonable or inconsistent about the premise of a 1.00 h orbit?
(a) Calculate the magnitude of the acceleration due to gravity on the surface of Earth due to the Moon. (b) Calculate the magnitude of the acceleration due to gravity at Earth due to the Sun. (c) Take the ratio of the Moon's acceleration to the Sun's and comment on why the tides are predominantly due to the Moon in spite of this number.
(a) Calculate Earth’s mass given the acceleration due to gravity at the North Pole 9.830 m/s is and the radius of the Earth is 6371 km from center to pole. (b) Compare this with the accepted value of 5.979X10 kg.
1) What is the difference between mass and weight? What are their units?
Our understanding of the elliptical motion of planets about the Sun spanned several years and included contributions from many scientists. a. Which scientist is credited with the collection of the data necessary to support the planet's elliptical motion? b. Which scientist is credited with the long and difficult task of analyzing the data? c. Which scientist is credited with the accurate explanation of the data?
The planet Pluto has an equatorial diameter of 1,188.3 km and its mass is 1.30900 * 1022 kilograms. If the planet is modeled as a homogeneous sphere, what is the acceleration due to gravity at its surface? (The universal gravitational constant is G = 6.67 x 10-11 N-m²/kg?.) Answer in 3 decimals and in m/s2

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