Which o the following phrases bet describes a physical model?

A. An exact copy of an object, system, or process

B. A chemical formula

C. A graph or equation

D. A representation of an object, system, or process

To form a better telescope, you can interchange eyepieces for new focal lengths. A new design lets you replace both lenses, which new configuration would make a more powerful telescope? a.

What's the steady state theory

Emotional abuse is less harmful than physical abuse. a. True b. False

What branch of science does anatomy fall under?

What is the part of a circuit where electrons give up most of their energy?

A toy helicopter begins flying across a field with a speed of 3 m/s and an acceleration of 0.8 m/s2. How long does it take the helicopter to reach a speed of 7 m/s?

A 50.0 kg child stands at the rim of a merry-go-round of radius 1.50 m, rotating with an angular speed of 3.00 rad/s. (a) what is the child's centripetal acceleration? incorrect: your answer is incorrect.

Do all types of waves need a medium to travel through

What feature of the ocean basin is formed when old oceanic crust is forced under continental plates

Thermal energy from the Earth's core heats rock and creates magma. This hot magma then rises toward the Earth's surface, cools, and sinks back down toward the Earth's core. Which actions below occur during this process? (multiple answers) A.