A1.5m wire carries a 3 a current when a potential difference of 71 v is applied. what is the resistance of the wire?

Aplanet of mass m 6.75 x 1024 kg is orbiting in a circular path a star of mass m 2.75 x 1029 kg. the radius of the orbit is r 8.05 x107 km. what is the orbital period (in earth days) of the planet tplanet?

Apulley with a mechanical advantage of 5 will require you to pull times the amount of rope. a. 1/5 b. 5 c. 10 d. 15

Which diagram correctly demonstrates the various forces acting on a ball moving horizontally with some speed?