Physics, 18.08.2020 14:01 calistaallen6655
A ball is thrown vertically upward from the top of a building with a velocity of 20m/s ,the ball reaches a max height in 2s and return back to the ground the height of the building is 25m .Calculate the distance travelled upward by the ball Calculate the velocity with which the ball lands on the ground
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Physics, 21.06.2019 19:40
Abird sitting high in a tree is an example of what type of wnergy
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Physics, 22.06.2019 07:50
Imagine you are standing in the antarctic during the southern hemisphere summer. the sky is clear and blue. there are no clouds in the sky. your shadow is cast on the icy ground. what is the color of the shadow?
Answers: 1
Physics, 22.06.2019 10:00
** urgent** the voltage across the primary winding is 350,000 v, and the voltage across the secondary winding is 17,500 v. if the secondary winding has 600 coils, how many coils are in the primary winding? a- 30 coilsb- 583 coilsc- 12,000 coilsd- 332,500 coils
Answers: 1
Physics, 22.06.2019 10:10
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?
Answers: 1
A ball is thrown vertically upward from the top of a building with a velocity of 20m/s ,the ball rea...
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