The superheroine Xanaxa, who has a mass of 65.7 kg , is pursuing the 70.3 kg archvillain Lexlax. She leaps from the ground to the top of a 175 m high building then dives off it and comes to rest at the bottom of a 15.5 m deep excavation where she finds Lexlax and neutralizes him. Does all this bring about a net gain or a net loss of gravitational potential energy?
loss or gain?
By how much? Answer with a positive number. Take g = 9.81 m/s2.
answer in J

Date chapter motion and speed review part a. vocabulary review directions: write the terms that match each description below in thes complete the sentence in number 13. ich each description below in the spaces provided. the boxed letters will 1. equal forces acting in opposite directions (2 words) 2. occurs when an object's velocity decreases (2 words) 3. sum of all forces acting on an object (2 words) 4. total distance divided by total time (2 words) 5. name for the slant of a line on a graph 6. distance divided by time 7. a push or a pull exerted on a body or object 8. distance and direction of an object from its starting point 9. tendency to resist change in motion 10. measure of how far an object has moved 11. speed and direction of motion 12. rate of change of position at a specific point in time (2 words) 13. the rate of change in velocity is called motion and spe

We put a force of 50n on an object and the acceleration is 100 m/s². what is the mass of the object?

In a simplified model of the human eye, the aqueous and vitreous humors and the lens all have a refractive index of 1.40, and all the refraction occurs at the cornea, whose vertex is 2.60 cm from the retina. what should be the radius of curvature of the cornea such that the image of an object 40.0 cm from the cornea’s vertex is focused on the retina?