In 20 minutes, kara ran 2.40 km on a treadmill facing due east. relative to the gym, what were her displacement and average velocity during this time interval?

Two carts with masses of 17.5 kg and 1.5 kg, respectively, move in opposite directions on a frictionless horizontal track with speeds of 8.0 m/s and 4.0 m/s, respectively. The carts stick together after colliding head-on.

The first law of motion applies to what?

A person covers a distance of 320 miles in a travel time of 8 hours. What is the speed for this trip? A. 40 mi/hr B. 20 mi/hr C. 35 mi/hr D. 15 mi/hr

Mercury metal is poured into a graduated cylinder that holds exactly 22.5 mL. The mercury used to fill the cylinder weighs 40,500 mg. Calculate the density of mercury.

Fresh water flows through a horizontal tapered pipe. At the wide end its speed is 8 m/s. The difference in pressure between the two ends is 5338 Pa. What is the speed (in m/s) of the water at the narrow end? Round your answer to the nearest tenth.

List some limiting factors that might limit the size of a population within its environment

What do you think is the difference between being imaginative in doing science and Doing pseudoscience?

How are energy and temperature related?

Explain why action-reaction forces do not cancel each other out, resulting in zero net force

Which is a correct name for the compound Cuci?