How do we know the universe is a closed system?

A car is on a circular off ramp of an interstate and is traveling at exactly 25 mph around the curve. Does the car have velocity? Yes No Does the car have acceleration? Yes No Is the car decelerating? Yes No

The shopping cart is moving forward. What force moves it forward? The force of the man pushing on the handle. The force of the wheels pushing on the floor. The force of the floor pushing on the wheels.

Parallax can be used to measure a star's

Manufacturing Plant Power A manufacturing plant uses 2.36 kW of electric power provided by a 50.0 Hz ac generator with an rms voltage of 500 V. The plant uses this power to run a number of high-inductance electric motors.

If you wanted to know how big a tiger was what measurement would you use a. candela, mole b. meter, second c. kilogram, ampere d. meter, kilogram

The elements with the largest atomic radii are found in the

Students will explain, distinguish the difference between the 4 states of matter

Name one way that a mixture can be separated

The Huka Falls on the Waikato River is one of New Zealand's most visited natural tourist attractions. On average, the river has a flow rate of about 300,000 L/s. At the gorge, the river narrows to 20-m wide and averages 20-m deep.

Name six processes that are often involved in scientific inquiry.