over a period of time an asteroid's mass increases by 40% while its speed decreased by 25%. By what percentage was the asteroid's kinetic energy decreased?
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over a period of time an asteroid's mass increases by 40% while its speed decreased by 25%. By what percentage was the asteroid's kinetic energy decreased?
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- college.com/course.html?courseld3D16876585&OpenVellumHMAC3eca93c2c656be349bee6a952b986809b#10001 E Reading A NASA satellite has just observed an asteroid that is on a collision course with the Earth. The asteroid has an estimated mass, based on its size, of 5 x 10°kg. It is approaching the Earth on a head- on course with a velocity of 810 m/s relative to the Earth and is now 4.0x106 km away. Constants Periodic Table Part A With what speed will it hit the Earth's surface, neglecting friction with the atmosphere? Express your answer using two significant figures. ? m/s Submit Request Answer Next > Provide Feedback P Pearson 12:32 AM Copyright © 2021 Pearson Education Inc. All rights reserved. Terms of Use Privacy Policy Permissions Contact Us | 12/4/2021 16°E Clear ☆国Meteorite A has a mass that is twice as great as Meteorite B. It impacts the desert with a speed that is 1/3 the speed of B. What is the ratio of the crater diameters formed by A and B?An asteroid closely passes the Earth at a range of 17200 mi and relative speed of 7.8 km/s. The diameter is estimated at 30 m with a specific gravity of 3. If this asteroid had impacted Earth, how much energy would have been released? Express this quantity in units of mega- tons (Mton) where a megaton is the energy released by one million metric tons of TNT explosive. A metric ton is 1000 kg and the explosive energy density of TNT is 4184 J/g. Hint: If the asteroid hits the Earth, its relative velocity becomes zero. Ignore any change in asteroid velocity due to gravitational acceleration or air resistance.
- A small asteroid that has a mass of 100 kg is moving at 200 m/s when it is 1,550 km above the Moon. 1) How fast will the meteorite be traveling when it impacts the lunar surface if it is heading straight toward the center of the Moon? 2) How much work does the Moon do in stopping the asteroid if neither the Moon nor the asteroid heats up in the process?A comet goes around the sun in an elliptical orbit. At its farthest point, 315 million miles from the sun, it is traveling with a speed of 15,410 mi/h. How fast is it traveling at its closest approach to the sun, at a distance of 146 million miles? mi/hThe kinetic energy E of an object varies jointly with the object’s mass m and the square of the object’s velocity v. An object with a mass of 50 kilograms traveling at 16 meters per second has a kinetic energy of 6400 joules. What is the kinetic energy of an object with a mass of 70 kilograms traveling at 20 meters per second?
- If mass 1 and mass 3 are 14.0 kg, what is the total gravitational potential energy of the three masses?What is the general equation for potential energy due to gravity using Ug=mgΔh?The International Space Station, which has a mass of 4.94×105 kg, orbits 258 miles above the Earth's surface, and completes one orbit every 94.3 minutes. What is the kinetic energy of the International Space Station in units of GJ (109 Joules)? (Note: don't forget to take into account the radius of the Earth!) Enter answer here GJ
- Any object with mass creates a gravitational field around itself. If an object has a mass of 6kg what is the strength of the gravitational field around that object at a distance of 641m ?An asteroid is in a highly eccentric elliptical orbit around the Sun. The period of the asteroids orbit is 90 days. Which of the following statements is true about the possibility of a collision between this asteroid and the Earth? (a) There is no possible danger of a collision (b) There is a possibility of a collision. (c) There is not enough information to determine whether there is a danger of a collision.Comet Halley (Fig. P11.21) approaches the Sun to within 0.570 AU, and its orbital period is 75.6 yr. (AU is the symbol for astronomical unit, where 1 AU = 1.50 1011 m is the mean EarthSun distance.) How far from the Sun will Halleys comet travel before it starts its return journey?
