Billy Hill lives in an old wooden shack. The walls of his shack are made of simple wooden boards and the windows are made of thin pieces of glass. During the winter, Billy uses a fireplace to warm his shack, but a great deal of thermal energy escapes, making Billy feel cold constantly. Suggest 3 modifications that Billy could make to his shack to reduce the amount of thermal energy lost.

c because the action was the roller coaster reaches bottom of hill (action) reaction would be blood tends to drain away from head

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when two balls of the different masses are dropped from equal height, they reach the ground at the same time .this is because they experience the same acceleration.

the acceleration is independent of mass.

thus when they are dropped they will always maintain the same velocity and travel the same distance (neglect air resistance of course) at the same time.