Your friend tells you that she has a theory that eating cabbage will make hair grow faster. how does your friend's use of the word theory differ from scientists use the word?

Using the work energy theorem. what is the velocity of a 850kg car after starting at rest when 13,000j of work is done to it.

This is important. 1. which of the following is an si base unit for measuring length? (2 points) inch gram meter mole 2. which of the following units for distance is an si unit? (2 points) centimeter foot inch yard 3. which of the following tools should a scientist use to measure an object in meters? (2 points) electronic balance pan balance tape measure thermometer

What is the measurement of how fast an object moves relative to a reference point?