What could you include to give a sense of scale in a photograph of a mountain?

The book slides from you to beth and then from beth to carlos, along the lines connecting these people. what is the work done by friction during this displacement?

When cs-137 decays, it emits gamma radiation. the energy of one photon is 1.06 * 10-13 j. what is the wavelength of this radiation?

Define relative permittivity

What do AM radio, FM radio, television, and cell phones have in common? They were all invented in the same year. They were all invented by the same scientist. They all use specific frequencies of radio waves to which electronic signals are encoded.

What is meant by air pressure? a. The force of air (F) b. The force of air per distance (F/d) c. The force of area per area (F/A) d. The force of air per volume (F/V)

A bicyclist is in a 50-km race. She says she had an average velocity of 35. What is missing in the cyclist's velocity? A. units only B. units and distance C. direction only D. units and direction

Which one of the following statements concerning emf is true? A) Emf is the work done in moving the current from one terminal to the other of an emf device.

A fan is a complex machine? True or false?

Which force does not operate at a distance of 1 m? A. Weak nuclear O B. Electric C. Gravitational D. Magnetic

The deflection of alpha particles in rutherford's gold foil experiments resulted in what change to the atomic model?