A man with mass 82 kg runs at a speed of 2.8 ms How much kinetic energy does he have? A. 114.8 B. 221.8 C. 321.4 D. 642.9

How does the temperature of water affect its evaporation science projects?

Which of the following is a common sports injury? Question 9 options: A) Stroke B) Heart attack C) Blood clot D) Bruises

When a fuel is burned in a cylinder fitted with a piston, the volume expands from an initial value of 0.250 L against an external pressure of 2.00 atm. The expansion does 288 J of work on the surroundings. What is the final volume of the cylinder

A car weighing 100,000 Newton's is parked in a garage. Which statement is true about the forces acting on the car?

What is a chemical combination of substances A) a compound B) an atom C) a mixture D) an element

The vapor pressure of ethanol at 25 degrees C is 7.83 kPa. Calculate the vapor pressure in atm. Round answer to 3 significant digits.

According to Newton's second law of motion acceleration or an object depends upon the ___ of the object and the ___ Acting on it. I'm confused on what the blanks are. I can't find them.

What is the concentration of H + ions at a pH = 7?

Suppose that Paul D. Trigger fires a bullet from a gun. Will the speed of the bullet leaving the muzzle will be the same as the speed of the recoiling gun? Explain.

A certain rock contains large jagged pieces of other rocks cemented by fine particles what type of rock is this explain