A homeowner wants to reduce the environmental damage of the energy source used to heat her home. Which energy source would be best for her to choose?

coal
gas
oil
wind

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?

What do elements in a family tend to share. a.) similar periods b.) similar groups c.) similar atomic symbols d.) similar chemical properties and characteristics

How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects