Physics, 11.01.2020 03:31 princesskhj6932
Aball is thrown vertically upwards with a velocity v and an initial kinetic energy ek. when half way to the top of its flight, it has a velocity and kinetic energy respectively of (a) v/square root 2, e/2 (b) v/4, e/2 or (c) v/2, e/square root 2 ?
Answers: 3
Physics, 22.06.2019 09:00
Immediately upon reaching its lowest point, a falling pendulum bob has its greatest amount of energy, which is the initial amount of potential energy. a. heat; less than b. heat; more than c. kinetic; less than d. kinetic; more than
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Physics, 22.06.2019 09:30
1. how to locate the image in converging(concave) mirror and diverging (convex) mirror with salt. 2. how to locate the image in a converging (convex) lens and diverging (concave) lens with salt.
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Physics, 22.06.2019 23:50
The star nearest to our sun is proxima centauri, at a distance of 4.3 light-years from the sun. how far away, in km, is proxima centauri from the sun?
Answers: 3
Physics, 23.06.2019 01:40
When you see distant streetlights through smog, they look dimmer and redder than they do normally. but when you see the same streetlights through fog or falling snow, they look dimmer but not redder. use your knowledge of the interstellar medium to discuss the relative sizes of the particles in smog, fog, and snowstorms compared to the wavelength of light.
Answers: 3
Aball is thrown vertically upwards with a velocity v and an initial kinetic energy ek. when half way...
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