4) a 56.9 kg slider descends an 8.21-meter high hill, encountering a friction force of 11.7 n.; the slider descends to a distance of 90m on the downhill.

What is hidden during a lunar eclipse? isn't the moon hidden?

Agymnast dismounts off the uneven bars in a tuck position with a radius of 0.3m (assume she is a solid sphere) and an angular velocity of 2rev/s. during the dismount she stretches out into the straight position, with a length of 1.5m, (assume she is a uniform rod through the center) for her landing. the gymnast has a mass of 50kg. what is her angular velocity in the straight position?

State the right hand rule of the direction of magnetic field in a conductor carrying current