An elevator rising at a constant speed. What forces are acting on the elevaror? A: Normal and tension B: Gravity and tension C: Normal, gravity, and tension D: Gravity

Wavelength is measured in hertz true or false?

As you grow older, you will need to remain physically active to keep a good level of physical fitness. true or false

Soils are made up of a mineral portion an organic portion and air and water what are the three mineral components of soil (check all three) A. Clay B. Bits of plant mineral; dead organisms C. Silt D. Sand

Which of these is most likely to produce radioactive waves? A. A nuclear power plant B. A paper mill C. An oil refinery D. A leather tannery

If you wanted to increase the gravitational force between 2 objects, what would you do? A). Increase the difference between two objects B). Decrease the distance between two objects C). Decrease the mass of both objects D).

The froghopper, Philaenus spumarius, holds the world record for insect jumps. When leaping at an angle of 58.0∘ above the horizontal, some of the tiny critters have reached a maximum height of 58.7 cm above the level ground.

Design an experiment (Fair Test) to find out what would be a good insulator for a dog house.

Which of these changes does a submarine encounter as it returns from the bottom of the ocean to the surface of the ocean? a. the amount of sunlight increases. b. the water temperature decreases. c. the amount of plants decreases. d.

Why do some elements have symbols that don't use letters in the element's name?

How many (whole number of) 91 kg people can safely occupy an elevator that can hold a maximum mass of exactly 1 metric ton? A metric ton is 1.000 * 103 kg. Answer in units of people.