Which tool would you use to measure how long it takes a toy car to go down a ramp? a. scale b. ruler c. stopwatch d. meterstick

The difference between two numbers is 15. when twice the smaller number is subtracted from three times the larger number, the difference is 58.what is the larger number?

Which example has gravitational potential energy? a.a horse slowing down from a run b.an apple about to fall from a tree branch c.a bicycle being pedaled down a horizontal path d.beaker sitting on the floor

What is the temperature in degrees celsius of a substance with a tempature of 49k