A) Calculate the work done by a nonlinear spring with force constant k(x) = 100(x+ 0.3x) [N/m] as the spring is stretched from x₁ = 0.2 m to x₂ = 0.6 m. B) What is the average equivalent force acting on the spring over this distance? NOTE: Assume that the spring force equation F=-kx is valid.
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- 2.1 A 100 kg mass at position io=(0m, 6m) is attracted to a 100 kg mass at position r=(0m, 8m). GmM , Determine the gravitational force the 50kg mass exerts on the 100 kg mass. Reminder F= 2.2 Determine an express for the gravitation force a thin semi-circle rod of radius a, mass M and mass per unit lengthy unit u, exerts on a particle of mass ma distance b from it centre as shown the sketch below.Please make sure you circle and clearly put what the correct answer is please. Thank youWhile working with part of a research team you discover a set of exoplanets in a nearby star system. One of the planets is much closer to its mother star than the other and because of this you are able to determine the average radius of the closer planets orbit to be 37.26 x 10 to the 6 kilometers the Planet complete one orbit every 53.4 days. a) what is the mass of the star in this system?
- The aphelion distance for Jupiter is b. 5.457 c. 6.521 d. 7.4355. Find the acceleration of our galaxy, the Milky Way, due to the nearest comparably sized galaxy, the Andromeda galaxy (see figure below). The approximate mass of each galaxy is 800 billion solar masses (a solar mass is the mass of our Sun), and they are separated by 2.5 million light-years. (Note that the mass of Andromeda is not so well known but is believed to be slightly larger than our galaxy.) Each galaxy has a diameter of roughly 100,000 light-years (1 light-year = 9.5 × 1015 m) . *The mass of the Sun is 2.0 × 1030 kg and a light-year is the distance light travels in one year, 9.5 × 1015 m . Figure 135 Galaxies interact gravitationally over immense distances. The Andromeda galaxy is the nearest spiral galaxy to the Milky Way, and they will eventually collide. (credit Boris Seromar)2. The satellites in the global positioning system, or GPS, travel at 1.05 x 10 km/h. Find the orbital radius of these satellites. 3. Find the speed of a satellite that orbits the earth at an altitude equal to one earth radius. 4. How would your answer to (Question 3) change if the radius were larger? Explain your reasoning.
- I need help pleaseThruth or false 1. The gravitational field is a vector quantity. 2. You spin around your head a small mass on a rope. If you increase the radius while maintaining the same pull force on the string, you will see the frequency of the mass decrease. 3. All masses (even a person!) generate their own gravitational fields. 4. There is a point between two masses where the gravitational field is zero. 5. A mass requires a gravitational field only in space. 6. Two astronauts initially at rest in space will be accelerated towards each other since there is a gravitational force between the two.Please answer the question and subquestions entirely. This is one single question. According to the official guideline, I can ask two subquestions! Thank you! 1) Two point masses are placed 10.0 cm apart and attract each other with a force of 10.0 N. Find the force of gravitational attraction between the masses when they are placed 5.00 cm apart. 3.00 N 4.50 N 20.0 N 40.0 N a) The radius of the orbit of a certain asteroid is four astronomical units. What is the period (in years) of this asteroid? 2 years 4 years 6 years 8 years b) A satellite is orbiting the earth at an altitude where the acceleration due to gravity is 8.70 m/s 2. What is its speed? 2.65 x 103 m/s 7.45 x 103 m/s 7.68 x 103 m/s 7.91 x 103 m/s