Which scientist did not directly contribute to the equations that make up the laws of planetary motion?

Galileo Galilei

Isaac Newton

Johannes Kepler

Tycho Brahe

An object of the same mass has three different weights at different times. Which statement is possible?

The change in electric potential energy per unit charge is

1) Alchohol, a commonly used psychoactive drug, is a Select one: A. depressant B. stimulant x C. opiate D. hallucinogen 2) in a party, a friend invited Letia to try taking a drug. She told Letia, "This is great stuff.

A cetain car weighs 25,000 N. Calculate the mass of the car. 245.000 kg 25,000 kg 9.81 m/s2 2,500 kg

What type of energy transfer occurs when: warm ocean water carries heat from the equator toward the poles A - Radiation B - Convection C - Conduction

The boy moving down the hill posses what energy?

In what ways does a river carry its load?

What is a unit of mass?

Which is not an era of the Phanerozoic eon

Newton's third law states that when an object exerts a force on another object, the second object exerts an equal but opposite force on the first object. Which of the following shows an example of this? a.