The specific heat of aluminum is 0.0215 cal/g°c. if a 4.55 g sample of aluminum absorbs 2.55 cal of energy, by how much will the temperature of the sample change?

13. How is 0.00069 written in scientific notation? A. 69 x 10-5 B. 6.9 x 104 C. 0.69 x 10-3 D. 6.9 x 10-4

The engine of a car exerts a force of 1300 N forwards on a car. Air resistance opposes the car's motion with a force of 70 N.

Although one can electrify a glass rod by rubbing it with silk, no net charge is created. a. True b. False

Is walking just a constant state of falling?

One number is 9 more than twice another number. if the sum of the number is 129, find both numbers.

What is electrical conductivity?

According to the law of universal gravitation, as mass increases, gravity As distance increases, gravity

You and your friends are doing physics experiments on a frozen pond that serves as a frictionless, horizontal surface. Sofia, with mass 80.0 kg, is given a push and slides eastward. Elena, with mass 55.0 kg, is sent sliding northward.

Which practice fits the definition of conservation? using more of a mineral resource than needed not using a necessary mineral resource at all mining a mineral without regard to the surface soil and vegetation above it recycling cans that contain a

The word family implies that the elements in a family have like properties. What property do the elements of the noble gas family all share?