A Wooden block has a mass of 0.200kg, a specific heat of 710 J (kg times degrees Celsius and is at a temperature of 20.0 degrees Celsius. What is the blocks final temperature if it's thermal energy increases by 2130J

On a cool morning, Uyen's breath can form a cloud when she breathes out. Which changes of state are most responsible for Uyen seeing her breath in this way? A) melting B) condensation C) deposition D) sublimation

Heavy rains in late July 2010 triggered the mass wasting that occurred in this mountain valley near Durango, Colorado. Heavy equipment is clearing away material that blocked railroad tracks and significantly narrowed the stream channel.

You are walking from your math class to your science class. You are pulling your rolling book bag which weighs 20 N. You walk 45 m down the hall. What is the total work performed on your books? A).44J B) 2.25J C) 65J D) 900J

A teacher used a Geiger-Muller (GM) tube to measure the background radiation in her laboratory. she rest the counter to zero, waited one minute and then took the count reading. she then repeated the same procedure two more times.

Elaborate on the fundamental difference between fission and fusion reactions.

Regarding perspectives on abnormality, what is the common ground between the medical and psychoanalytic perspectives? a. Both view abnormal behaviors as symptoms of underlying problems. b.

The force in Newtons on a particle directed along the x-axis is given by F (x) = exp ( - (x/5) + 5) for x≥0 where x is in meters. The particle is constrained to move along the x-axis.

What are electromagnetic waves? what are its characteristics? how do we classify them?

A gas is collected from a radioactive material; upon inspection, the gas is identified as helium. The presence of the helium indicates the radioactive sample is most likely decaying by: A). alpha B). beta + C). beta - D). gamma

Is 30 minutes to nine the same as 30 minutes after 8 in life