A machine is designed to lift an object wit a weight of 12 Newton's if the input for the machine is set at 4 Newton's what is the mechanical advantage of the machine

How can you use earthquake and volcano data to map the earths plates?

What is the kinetic energy of a toy truck with a mass of 0.75 kg and a velocity of 4 m/s? (Formula:)

An aircraft is at a standstill. It accelerates to 140kts in 28 seconds. The aircraft weighs 28,000 lbs. How many feet of runway was used?

What is a controlled experiment? none of the variables are changed all variables are kept constant two variables are changed at a time one variable is changed at a time

What is the primary source of energy for earths weather systems

Hai swings a ball in a vertical circle at the end of a string that always remains taut (putting tension in the string.) At the top of the circle, the centripetal force on the ball is

What formula allows you to calculate force?

My science fair project is: Texting Versus Talking - Effects of Cell Phones on Reaction time. What should I research?

The shape of earth's land masses and the of tilt its axis could have triggered climate changes in the past. True False

When you look at a single slit diffraction pattern produced on a screen by light of a single wavelength, you see a bright central maximum and a number of maxima on either side, their intensity decreasing with distance from the central maximum.