A dart gun consists of a horizontal spring with k= 52 newtons/m that is compressed 4.3 cm when the gun is cocked. What is the initial acceleration of a 75 g dart when the gun is fire

Two 2.0-cm-diameter disks face each other, 1.0 mm apart. they are charged to ±10 nc. what is the electric field strength between the disks? a proton is shot from the negative disk toward the positive disk. what launch speed must the proton have to just barely reach the positive disk?

In this thread, i would like you to comment on the nature of light and how operation of telescopes. light has a duality of a particle and a wave; which one affects your life? also how does light interact with optics inside telescopic systems? answer these questions in two paragraphs. then respond the another students response.

What is the relationship between globular clusters and the milky way?