Which value is equivalent to 7.2 kilograms? A. 720 grams B. 7,200 grams C. 72,000 grams D. 720 milligrams E. 7,200 milligrams

A skier starts from rest and uniformly accelerates at 2 m/s2 down a slope. How far has the skier traveled at the end of 20 seconds?

Which statements describe planetesimals? Select three options. They are the origins of planets. They formed from gas and dust. They were created during the big bang. They are believed to have developed in debris disks.

Which layer would a person drilling a well most likely reach after drilling through the unsaturated zone? a spring an aquifer the water table an impermeable layer

Do you think toxicity is a qualitative or quantitative property? explain

In an experiment to create a pendulum, each member of the group measured the length of the string to be a slightly different value. How do we describe these small differences when reporting the length?

Two lamps one rated 40W at 220 V and the other 60W at 220 V are connected in parallel to the electric supply at 220V.

A 45.0-kg person steps on a scale in an elevator. The scale reads 460 n. What is the magnitude of the acceleration of the elevator?

The entropy of a hot baked potato decreases as it cools. is this a violation of the increase of entropy principle? explain.

When aluminum-27 is bombarded with a neutron, a gamma ray is emitted. what radioactive isotope is produced?

A sonar device on a ship sends ultrasound waves under the water to locate a sunken ship. It takes the ultrasound wave 0.6 seconds to travel from the device to the sunken ship and back again. How far below the surface is the sunken ship?