How strong is the electric field between two parallel plates 6.6 mm apart if the potential difference between them is 220 v? express your answer to two significant figures and include the appropriate units?

The heating of groundwater forms Select one: a. wells b. caves c. geysers d. sinkholes

About how long ago did our solar system start to form?

An automobile tire having a temperature of -2.6°C (a cold tire on a cold day) is filled to a gauge pressure of 24 lb/in^2 What would be the gauge pressure in the tire when its temperature rises to 43◦C?

Which of the following would be valid reason to NOT build the power plant? Geothermal energy is not reliable at favorable sites b) The hot-water reservoirs can be depleted and it can disrupt ecosystems. c) Steam can still cause pollution.

Anions are formed by

Which of the following objects is in dynamic equilibrium? A - a man standing in one place without moving B - a bicycle accelerating forward at 1.

A boat is traveling upstream in the positive direction of the x axis at 10 km/h with respect to the water of a river. The water is flowing at 7 km/h with respect to the ground. (a) What is the velocity of the boat with respect to the ground?

What are the standard units of length mass volume and temperature?

Approximately how long is a light-year? A. 9.5 billion km B. 95 billion km C. 9.5 trillion km D. 95 trillion km

A car that increases its speed from 20km/h to 100km/h undergoes what acceleration