In which activity is no work done?

A. lifting a book

B. holding a brick

C. climbing stairs

D. pushing a shopping cart

Which state of matter has the highest entropy

If a rock climber accidentally drops a 52.5-g piton from a height of 325 meters, what would its speed be just before striking the ground? ignore the effects of air resistance.

1. Define friction. Name and describe two kinds of friction.

Determine the magnitude of the electrical force between these ions if the membrane thickness is 0.80 * 10-9 m. ignore the effect of the material in which the ions are located.

a = v1-v2/t equation is the equation for calculating the acceleration of an object. Write out the relationship shown in the equation, using words.

Which concept was supported by taking measurements of the same stars at night and then again during solar eclipses?

Which of these is a biotic factor? A) topography B) soil C) air D) bacteria

One reason it's often easy to miss and action reaction pair is because of?

Recently, some information about a distant planet was learned. It has a radius of 6000000 meters, and the density of the atmosphere as a function of the height h (in meters) above the surface of the planet is given by δ (h) =

Which of the following is not a good approximation of the relationship between independent and dependent variables? A. independent: first, dependent: next B. independent: input, dependent: output C. independent: cause, dependent: effect D.