Work is done on an object when an applied force causes the object to move in the same direction as the force.

What is the fate of the electrons that interact with a specimen in an electron microscope?

James (mass 85.0 kg) and Ramon (mass 69.0 kg) are 20.0 m apart on a frozen pond. Midway between them is a mug of their favorite beverage. They pull on the ends of a light rope stretched between them.

On October 21, 2001, Ian Ashpole of the United Kingdom achieved a record altitude of 3.35 km (11 000 ft) powered by 600 toy balloons filled with helium. Each filled balloon had a radius of about 0.54 m and an estimated mass of 0.27 kg.

A force of 5000 n is applied outwardly to each end of a 5.0-m long rod with a radius of 34.0 mm and a young's modulus of 125 x 108 n/m2. the elongation of the rod is:

How can the rate of a reaction be increased? (A) increasing the temperature (B) having a lower concentration of reactants (C) having less surface area (D) decreasing the amount of reactants

Explain why the bird offspring will differ from its parent more than the amoeba offspring will be from its parent

Name 3 Characteristics of the musculatory System

A solid sphere, solid cylinder, and a hollow pipe all have equal masses and radii and are of uniform density. If the three are released simultaneously at the top of an inclined plane and roll without slipping, which one will reach the bottom first?

What is a limitation of a physical model & mathematical model?

What's is inductive reasoning?