What are the benefits and dangers of visual light waves

A weightlifter can lift 220lbs. (assume 1kg weighs 2.2lbs) If he lifts the weight 2m above the floor, how much work did he do? Follow up: if the weightlifter lifts the weight 1.2 seconds, how much power does he generate?

What is one way a player can demonstrate responsible behavior in a team setting

A kg object has the dimensions of 10 cm by 15 cm by 9 cm. What is the density

Current is the movement of positive charges called electrons

An * is a logical conclusion based on available information or evidence

Protecting his nest, a 600-g peregrine falcon rams a marauding 1.5-kg raven in midair. the falcon is moving at 20.0 m/s, and the raven at 9.00 m/s at the moment of impact.

A carousel has a radius of 1.70 m and a moment of inertia of 110 kg · m2. A girl of mass 44.0 kg is standing at the edge of the carousel, which is rotating with an angular speed of 3.40 rad/s.

A 2kg marble is moving at 3 m/s when it strikes another 4kg marble moving in the opposite direction at - 3 m/s. What will be the velocity of the 4kg marble after the collision of the 2kg marble's new velocity is - 4 m/s.

How long did it take to reload a rifle during the 18th 19 century?

Hot spots in electronic and electric circuits can be detected visually with the use of A. dataloggers. B. thermocouples C. oscilloscopes D. infrared cameras.