A 1.5m wire carries a 3 A current when a potential difference of 74 V is applied. What is the resistance of the wire?

Answer : Units

Rita throws a ball straight up into the air and catches it at the same position from which she threw it. The ball has 18 J of mechanical energy when it leaves her hand.

You're a production engineer in a cookie factory, where mounds of dough drop vertically onto a conveyor belt at the rate of one 12-g mound every 2s. You're asked to design a mechanism that will keep the conveyor belt moving at a constant 50cm/s.

Where else could Snell's law be useful in determining the path of a light ray in your everyday life?

In most cases a structure can have only one service true or false

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3. If the potential difference is 120 volts and the resistance is 60 ohms, what is the current?

Which of galileo's observations most strongly supported a heliocentric cosmology? the phases of venus?