What is the displacement for a person that walks 3.0km north and 8.0 km south

An electric motor has an effective resistance of 32.0 ohms and an inductive reactance of 45.0 ohms when working underload. The rms voltage across the alternating source is 420 V. Calculate the rms current

How are Mercury and Earth's moon similar?

On the moon, gravity causes a rock hammer to fall more slowly to the ground than on earth which lunar factors causes the slower rate of fall?

What is the weight of a ring tailed lemur that has a mass of 10kg 98oz 1.02N 98N none these

Through which one of the following mediums is the velocity of a sound wave the greatest? A. Water B. Lead C. Steel D. Air

A flexible helium-filled party balloon is released in the atmosphere. as it gains altitude, what happens to the density of the balloon? 1. decreases at first, then increases 2. decreases 3. unable to determine 4. increases at first, then decreases 5.

A massive and a less massive object free-fall at the same rate because A. the ratio of the net force to mass is the same for each B. the gravity is the same C. they weigh the same amount D. they experience the same force of gravity E. none

Which of the following lists the Earth's layers in order from hottest to coldest in temperature? A. outer core, mantle, inner core, crust B. crust, mantle, outer core, inner core C. inner core, outer core, mantle, crust D.

A boy does 465 J of work pulling an empty wagon along level ground with a force of 111 N [31o below the horizontal]. A frictional force of 155 N opposes the motion and is actually slowing the wagon down from an initial high velocity.

Which of the following best explains why the tidal bulges on Earth are larger closest to the Moon compared to the tidal bulges closest to the Sun?