The mass of a cube of iron is 250. g. iron has a density of 7.87 g/cm3. what is the mass of a cube of lead that has the same dimensions?

Who is the father of electricity?

Score: the law of equal areas indicates that planets travel slower equal areas equal distances faster when they are closer to the sun, and equal areas faster equal distances slower when they are farther out from the sun.

What is the second law of thermodynamics? Use this law to describe why your feet got cold, not hot, when you put them into the water.

Trumpeter A holds a B-flat note on the trumpet for a long time. Person C is running towards the trumpeter at a constant velocity. Person B is running away from the trumpeter at the same rate. Person D is standing still the whole time.

Formula for acceleration

Hat is a scientific theory? Make up your own scientific theory.

Which of the following is an example of a velocity? O A. 12 m/s O B. 45 km/hr south O C. 55 km/hr D. - 5 m/s2 east

What was the total weight (lbf) of chocolate in the vat? the specific gravity of chocolate is approximately 1.24?

You are in the lab and are given two rods set up so that the top rod is directly above the bottom one. The two straight rods 50-cm long are separated by a distance of 1.5-mm each with 15 A of current passing through them.

What is the explanation for feather beds being warm