The reflecting surfaces of two mirrors form a vertex with an angle of 130 ∘. part a if a ray of light strikes mirror 1 with an angle of incidence of 48 ∘, find the angle of reflection of the ray when it leaves mirror 2.

1 A force F=8N makes an angle of 45ᵒ with the horizontal. The X and Y component of the force are 2 Salim walk six miles in a straight line in a direction north of east, and he end up two miles east and several miles north.

All atoms of the element potassium have 19 protons. One of the most stable types of potassium atoms has the mass number 39. How many neutrons make up one of these potassium atoms? A. 19 B. 29 C. 38 D. 58

What is the difference between speed and velocity and give an example.

A Net Force of 9.0 N acts through a distance of 3.0 m in a time of 3.0 s. The work done is? 3.0 J 9.0 J 27 J 81 J

What is the system of blood and blood vessels and the heart

What does a hurricane hunter do

Why is fluorine special in terms of electronegativity?

The airbag inflates and deflates quickly so

Two conducting spheres are each given a charge Q. The radius of the larger sphere is three times greater than that of the smaller sphere.

A solenoid with a ferromagnetic core is