Scott travels north 3 Km and then goes west 3 Km before coming straight back south 3 km. What is his displacement? *
9 Km
3 km, W
3 Km, E
9 km, S

An incident ray through the focal point of a spherical mirror will: reflect through the center of curvature. reflect back through the focal point. reflect parallel to the principle axis. reflect the same direction as the incident ray.

Match each scenario to the form of energy it represents

The sound level near a noisy air conditioner is 70 db. if two such units operate side by side, the sound level near the, would bea. 70dbb. 73 dbc. 105 dbd 140 db