Which of the following is a vector quantity? Question 4 options: distance velocity speed time

What are the four main groups of organic molecules in living things?

The surface of the moon always looks the same because the moon has no: gravity weather running water

Which of the following describes an object in static equilibrium? A. A platypus lies motionless on the sand. B. A tuna speeds up from 2 m/s to 3 m/s C. A dolphin jumps out of the water D. A zebra shark swims at a constant speed of 8 m/s

Density (D) is defined by mass/volume. Which item decreases as heat is applied? V D M

A student says that since the atomic theory is just a theory, it should not be considered useful. Which statement best argues against the student's opinion?

Which of the following is an example of applied research?

A Cadillac Escalade has a mass of 2,569.6 kg, if it accelerates at 4.65 m/s^2 what is the net force on the car?

If you are trying to balance a seesaw and you have a higher mass on the left, should the mass on the right be placed at a greater distance or lower distance to balance it? Why?

A car travels 300 km in the first 3 hours of a trip. Then it hits traffic and travels only 60 km during the last hour. What is the average speed of the car? a.) 180 km/h b.) 100 km/h c.) 90 km/h d.) 120 km/h

What is the purpose of using a wedge? A. separates objects B. keeps objects together C. allows you to exert force over a distance