A 5kg block of iron is heated to 800degree C. it is placed in a tub containing 2litre of water at 15degree C. Assuming all the water is brought to the boil rapidly calculate the mass of water which boile off.

The person in the middle weighs 500 n, and the tension on the rope is 400 n. what is the weight of the scaffolding?

Where might Michael look to find ideas about what the teacher thinks is important information to be learned for a test? a. Vocabulary lists and flashcardsc. Pretests and quizzes b. His notesd. B and C only

An aerobatic airplane pilot experiences weightlessness as she passes over the top of a loop-the-loop maneuver. The acceleration of gravity is 9.8 m/s 2. If her speed is 450 m/s at this time, find the radius of the loop. Answer in units of km

What would the velocity of a bullet that strikes a tin can 350 meters away in 0.25 seconds

diamonds have a density of 6.5 gm/cm cubed. what is the volume a diamond that has a mass od 0.40 gm?

Consider a "crystal" consisting of two nuclei and two electrons. (a) Taking into account all the pairs of interactions, find the potential energy 1 of the system as a function of d.

jason hits a baseball off a tee toward right field. the ball has a horizontal velocity of 10 m/s and lands 5 meters from the tee. what is the height of the tee? show your work, including formula (s) and units.

What is the average amount of energy of motion in the particles of a substance

A race car is traveling at 76 m/s when it slows down at 9 m/s^2 for 4 seconds. What is his new velocity

Humpty Dumpty (12 kg) sat on a wall (2 m high). What was his potential energy, before his great fall? A. 235.2 J B. 235.2 N C. 24 J D. 246.1 W