What is a disadvantage of having lots of turns in an elctromagnet

Magnetic poles cannot be: A) isolated B) cancelled C) relocated

A young's interference experiment is performed with blue-green laser light. the separation between the slits is 0.500 mm, and the screen is located 3.14 m from the slits. the first bright fringe is located 3.

How much force is required to accelerate a 2 kg mass at 3 m/s2

Which following options are examples of matter? A) light B) Molecules C) Feelings D) people

Define, gravitational acceleration

Which best blocks X-ray particles and can therefore be observed more closely through the use of this technology?

A light ray travels inside a horizontal plate of glass, striking its upper surface at an angle of incidence of 50°. This ray is totally internally reflected at the glass-air boundary. A liquid is then poured on top of the glass.

A stationary object has no forces acting on it. True False

April swims 50 m north and then turns and swims 20 m back to the south. What is her velocity if it takes her 60 seconds?

What happens to the mass of an object when it is cooled?