In order for an object not to move, the forces on it must all be

negative

positive

from gravity

balanced

What is mechanical energy?

Which of the following items is most sensitive to increased acidity in the environment? concrete buildings glass windows railroad tracks paved roads

What is the resistance of a light bulb if a potential difference of 120 v will produce a current of 0.5 a in the bulb? 0.0042 0.5 60 240

A 0.60-kilogram softball initially at rest is hit with a bat. The ball is in contact with the bat for 0.20 second and leaves the bat with a speed of 25 meters per second. What is the magnitude of the average force exerted by the ball on the bat? a.

8 2/5 - 4 5/6 eight and two fiveths subtracted by four and five sixth

Mechanical weathering blank

A 0.40-kg cart with charge 4.0 x 10-5 C starts at rest on a horizontal frictionless surface 0.50 m from a fixed object with charge 2.0 x 10-4 C. When the cart is released, it moves away from the fixed object.

The fact that the sun rises and sets at different times during the day depending on the time of year is an example of a data trend. True or False

Which option most likely describes scientist (s) working in pure science? A quality assurance inspector examining the contents of large tanks used to make fermented products.

What type of organisms are made up of a cell that does NOT contain a nucleus? A.) fungi B.) protist C.) animals D.) bacteria