A snail crawls 300 cm in 1 hour. Calculate the snail's speed in each of the following units. A) cm/h B) cm/min C) m/h

Estimate the pressure needed to raise a column of water to the same height as a 42-m-tall pine tree.

A certain ohmic resistor has a resistance of 40 Ω. A second resistor is made of the same material but is three times as long and has half of the cross-sectional.

Do you have to choose 3 or 2

Sound travels through air, steel and water at different speeds. Which list is ordered from the substance that sound will travel through the slowest to the substance that sound will travel through the fastest? A. air, water, steel B.

Which of these is an effect of space travel? muscle shrinkage decreased bone density bone density increase increase in muscle mass

Which of the following statements are true about gravity? Check all that apply. A. Gravity doesn't exist between two stars that are far far away from each other. B. Gravity exists only near Earth. C.

A ball which is dropped from the top of a building strikes the ground with a speed of 30m/s. Assume air resistance can be ignored. The height of the building is approximately

Water in central Texas comes from the Edwards Aquifer and tends to be hard. Which of the following would you expect to find in this water? O A. Carbon dioxide O B. Calcium ions O C. Biotic factors O D. Oxygen gas

As you found in Part A, your weight will be greater than normal when the elevator is moving upward with increasing speed.

Which of the following lists contains only examples of renewable sources of energy? A. wind, tidal, geothermal, and hydroelectric B. coal, solar, wind, and biomass C. fossil fuels and nuclear energy D. hydroelectric, petroleum, solar, and wind