A mountain climber weighs 42.0 N. If he climbs a hill 100m high. Calculate the work done in joules

What is Newtons second law of motion?

According to the Bohr atomic model: Electrons move around the nucleus. Most of the atom is made of empty space. The nucleus is made of neutrons and protons. All of the above. None of the above.

Direct current made it possible to distribute electric power over greater areas. a. True b. False

The study of science deals with

White light, with a uniform intensity across the visible wavelength 400 - 690 nm, is perpendicularly incident on a water film, having index of refraction n2 = 1.33 and a thickness of 320 nm, that is suspended in air.

At distances greater than 2 femtometers, the nuclear strong force is stronger than (select all that apply): gravity electromagnetic forces nuclear weak force none of the above

Identifying the Functions of Parts of the Ear Which part of the ear changes sound to a signal that the brain can understand? Which part of the ear carries the signal to the brain?

Which tool would a scientist use to find the mass of an object?

Who are the launched dog on moon A. mark B. lyca C. mcmc D. seul

The excerpt is from an article that Roberto read for science class called "Using the Scientific Method to Study Tomatoes." The student performed an experiment to test his hypothesis about sunlight and plant height using two plants.