A 0.5kg yo-yo attached to a 2m long string is swirled above a man's head in a horizontal circular motion. The tension in the string is measured to be 30N Whät is
the tangential velocity of the yo-yo?

Which best describes how fluids change as they travel through different portions of the convection currents? they change to solids at the outer portion of the convection currents. they change to solids at the inner portion of the convection currents. they become more dense at the outer portion of the convection currents. they become more dense at the inner portion of the convection currents

Amira pulls a 3 pound wagon 4 feet. how much work has she done?

Acaterpillar tries to climb straight up a wall a meter high, but for every 2 cm up it climbs, it slides down 1 cm. eventually, it reaches the top. when it reaches the top, it does not pull itself over so it will slide down 1 cm. what is the total displacement traveled?