1.

An object (denoted by a dark circle) is placed in front of a plane mirror as shown below. Light

from the object emanates in a variety of directions. For each light ray incident to the mirror,

accurately draw the corresponding reflected ray. Use a protractor, straightedge, and the law

of reflection.

What’s the answer???

Explain why the aperture of the spherical mirror should be small compared to the radius of curvature of the mirror.

Brutus, the dog, is pulling a bone to the left with a force of 20 n. lassie, another dog, is pulling a bone to the right with a force of 18n. what is the net force? a. b. c.

This is important. 1. which of the following is an si base unit for measuring length? (2 points) inch gram meter mole 2. which of the following units for distance is an si unit? (2 points) centimeter foot inch yard 3. which of the following tools should a scientist use to measure an object in meters? (2 points) electronic balance pan balance tape measure thermometer