How does current change under different polarity?

What distance will an object cover in 20 seconds if it is moving at 8 m/s

When you melt an ice cube, what is the new phase of the water? plasma liquid gas solid

A ball is dropped from a height of 1.20 m and hits the floor. The ball compresses and then reforms to spring upwards from the floor to a height of 0.86 m. The time from the ball's first contact to when it left contact with the floor was 0.091 s.

At 8:00 am, the temperature in the earth science room was measured to be 62 degrees Fahrenheit. By 12:00 pm, the temperature had risen to 70 degrees Fahrenheit. Calculate the rate of change.

What is the volume of a lead ball with a mass of 454 g

You have a neutral balloon. What is its charge after 12000 electrons have been removed from it? The elemental charge is 1.6 * 10-19 C. Answer in units of µC.

Which formula can be used to find the x-component of the resultant vector?

How could the action force of a canoe moving through water be increased

Why does the value of your bond decrease when interest rates increase?

Your're sailing a boat from spain west to florida. which winds would you use?