How much pressure is applied to the ground by a 78 kg man who standing on square stilts that measure 0.04 m on each edge? Answer in units of Pa.

Uma pessoa exercita-se em uma esteira rolante manual. Ela andou 20 minuots com velocidade de 5.4km/h e consumuiu 200 quilocalorias. Qual a distancia percorrida por essa pessoa se estivesse na rua? Qual seu deslocamento em relação ao solo?

When we say that an object wants to maintain its state of motion, we're talking about inertia. Which term determines the quantity of inertia for an object?

Julie is a scientist and she is doing an experiment on guinea pigs. She feeds one group of guinea pigs grapes and the other group strawberries. She injects both groups of mice with the flu virus.

The distance from the sun to the Earth is 1.5 x 1011 m. How long does it take for light from the sun to reach the earth? Give your answer in seconds

A satellite in space experiences direct sunlight and heats up. During periods of time when it receives no direct sunlight ... A. the satellite cools off by radiation. B. the satellite cools off by conduction. C.

Which of the following statements has NOT been indicated by research on food and hunger behaviors? A) Forcing children to eat specific foods often has a negative effect on food preference.

Loghan and Kyle want to see if the type of ice cream in the freezer affects how hard or soft it is. Each time they placed a new brand of ice cream in the freezer, they put it in a different place.

2. If you wanted to create a voltage source using magnetic induction, which device would you use? A. Battery B. Thermocouple C. Dry cell D. Generator

Which quantities decrease as the distance between a planet and the sun increase

Compare and contrast deposition caused by wind with deposition caused by moving water.