How do you find the normal line for an incident light ray on a concave mirror? Draw a line from the outer edge of the curve to the point of contact for the ray.

Draw two lines diagonally from the outer edges of the curve until they intersect each other.

Draw a line from the center of the curve to the point of contact for the ray.

Draw a line perpendicular from the center of the curve to the point of contact for the ray.

Mga halaman/punong ornamental na di namumulaklak

If the new moon happens on january 15th, what shape will it be on february 6th?

A75-hp (shaft output) motor that has an efficiency of 91.0 percent is worn out and is to be replaced by a high-efficiency motor that has an efficiency of 95.4 percent. the motor operates 4368 hours a year at a load factor of 0.75. taking the cost of electricity to be $0.12/kwh, determine the amount of energy and money saved as a result of installing the high-efficiency motor instead of the standard motor. also, determine the simple payback period if the pu