You observe a distant galaxy. you find that a spectral line normally found in the visible part of the spectrum is shifted toward the infrared. what do you conclude?

If a bat with a mass of 5 kg and acceleration of 2 m/s2 hits a ball whose mass is 0.5 kg in the forward direction, what is the reaction force of the ball on the bat? 10 N, forward 0 N, forward 0.5 N, upward 10 N, backward

22. Why did conflict erupt between President Johnson and Congress after Lincoln's assassination? -Southern Congressmen agreed with President Johnson's Radical Reconstruction Plan. -Republicans disagreed with President Johnson's Reconstruction Plan.

If you take a bar magnet with both n & s poles and cut it in half, you get

What is, by far, the most abundant component of Earth's atmosphere?

A dump truck accelerates uniformly from a resting position to a velocity of 35 m/s north in 20 seconds. What is the displacement? a.) 1.75 m north b.) 61.25 m north c.) 350 m north d.) 700 m north

Kaylie is describing the physical properties of an orange and a lemon. which two physical properties can she determine without using any measurement instruments

What is an example of a third class lever and why use it? A) pulley; changes direction B) baseball bat; increases velocity Eliminate C) car jack; increases the weight it can lift D) wheel barrow; makes it easier to move a load

1. The horizontal and vertical components of a projectile's velocity are a. directly proportional C. independent of each other b. inversely proportional d. equal

Which features involve compression? Select the three correct answers. A. Reverse faults B. Anticlines C. Folded mountains D. Normal faults E. Monoclines

You place a cup of 210 degrees F coffee on a table in a room that is 68 degrees F, and 10 minutes later, it is 200 degrees F. Approximately how long will it be before the coffee is 180 degrees F? Use Newton's law of cooling: