Which would be an adaptation for living in the tundra?

a hibernation to lower metabolism in the winter

b funnel shaped leaves to water runoff

c deep roots to go into the permafrost

d large ears to release heat

The 20@kg wheel has a radius of gyration about its center g of kg = 300 mm. when it is subjected to a couple moment of m = 50 n # m, it rolls without slipping. determine the angular velocity of the wheel after its mass center g has traveled through a distance of sg = 20 m, starting from rest.

Apulley system is used to lift a 2,000 newton engine up a distance of 3 meters. the operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor. to lift the engine 3 meters, the operator must pull a total of 30 meters of chain through the pulley system. what is the value of di?

Sort the images based on whether there's a force of attraction or repulsion between the magnets shown. attraction repulsion