Why do devices with efficiency less than 100% not violate the conservation of energy?

Why does a swimming pool with dark-colored plaster generally become warmer than one with white plaster?

What happens to the energy content of a system when work is done on it?

Why does a bottle filled with liquid and tightly capped break when warmed up?

Why is power independent of the time an appliance operates?

In anaerobic metabolism, what is a primary product?

Why does more work get done when lifting a sack of groceries while standing up?

As part of an inheritance, three children, Abby, Ben, and Carla, are dividing four vehicles using sealed bids.  Their bids (in thousands of dollars) for each item is shown in the table: Abby Ben Carla Motorcycle 9 11 12 Car 9 14 12 Tractor 5 6 2 Boat 3 5 7 In the final allocation, Abby gets how much from the estate? (Give your answer to the nearest dollar) _______

Four heirs (A, B, C, and D) must fairly divide an estate consisting of two items, a desk and a vanity, using the method of sealed bids.  The player’s bids are: A B C D Desk $320 $280 $200 $220 Vanity $220 $160 $100 $140 In the initial allocation, how much does player A pay? _______

In my office I have posters of Elvis and Batman collectibles hanging from the wall. How am I managing my identity?