A company wants to build a new type of spaceship for transporting astronauts to the moon. What should the company do first?A. Test the prototype. B. Evaluate the design. C. Build a model. D. Identify needs.

Aball has an initial velocity of 3 m/s. if there is no friction, what is the highest it could roll?

What are the similarities & differences between a thermistor and a light dependent resistor in physics?

An electric power distributor charges residential customers $0.10 per kilowatt-hour (kwh). the company advertises that "green power" is available in 150 kwh blocks for an additional $4 per month. (green power is generated from solar, wind power, and methane sources.) if a certain customer uses an average of 391 kwh per month and commits to one monthly 150 kwh block of green power, what is her annual power bill