Which term below describes a measurement of how hard an object pushes against a surface?

A. Heat

B. Density

C. Temperature

D. Pressure

The position of a particle as it moves along the x axis is given by x = 15e-2t m, where t is in s. what is the acceleration of the particle at t = 1.0 s?

a piece of metal and a piece of brick are both sitting in the sun. If both are the same mass, what property of matter will make the metal feel hotter to the touch?

A stretched string is 1.91 m long and has a mass of 19.3 g. When the string is oscillated at 440 Hz, which is the frequency of the standard A pitch that orchestras tune to, transverse waves with a wavelength of 17.1 cm travel along the string.

Which one of the following temperatures is equal to 5°C? A. 465 K B. 0 K C. 41 K D. 278 K

Leandra is baking cookies, and they are ready to come out of the oven. Before she takes them out of the oven, she puts her mittens on. Why does Leandra do this?

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.

Does coffee contain corn? What other food in cafes are corn? Fun fact: Almost all our food comes from corn. Corn wipe out most farmers, and corn is our mainly food. We eat it everyday.