When an object stops moving, changes speed, or changes direction, how does a scientists describe that condition?

A. Unbalanced forces

B. Frictional force

C. A balanced set of forces

D. stable factors

A 1,400 kilogram car travels in a straight line at 10.0 m/sec. what is the momentum

A 1500 kg roller coaster train is at rest at the top of a 65 m drop before it begins to travel down the hill. At the bottom of the hill how fast is the train moving?

Chemical potential energy can be released into energy OA) heat OB) elastic OC) potential

What is the name of the british scientist credited with discovering cathode rays?

Name the two components that make orbital motion, and explain why objects stay in orbit.

Which method is used to calculate the slope on a distance time graph

Lexy throws a dart with an initial velocity of 25m/a at an angle of 60 degrees relative to the ground. What is the approximate vertical component of the i ritual velocity?

True or false electronic machines with no moving parts experience friction and get hot because electricity is moving through the wires

I'm having trouble figuring out how to study for my science test, it's based off of everything we've learned but I'm afraid there's some things I misunderstood during the year that will effect me on the test, and suggestions?!!

The air over Earth's surfaces absorbs heat from the materials of Earth. In Section 3 of the experiment, the air over the sand the air over the water because sand water.