What are 3 ways a machine serves its purpose?

If an atom of sodium combines with (captures) an alpha particle that has 2 protons and 2 neutrons, its new mass number will be A) 13 amu B) 15 amu C) 25 amu D) 27 amu

a baseball player swings a bat and applies an average force of 75 N to a 30 gram baseball for 0.10 seconds. determine the impulse experienced by the baseball

When a crown of mass 14.7kg is completely submerged in water, an accurate scale reading reads only 13.4kg. Is the crown made of gold?

A hot metal washer is placed in a jar of cool water. What type of energy transfer happens? a) Conduction b) Convection c) Radiation

What is the name of the upward force that enables a bird to fly? A. lift. B. Gravity. C. Air pressure. D. Flight path.

A 0.3 mm long invertebrate larva moves through 20oC water at 1.0 mm/s. You are creating an enlarged physical model of this larva so you can better study its flow pattern in the laboratory.

Calculate the speed of an object having momentum 7.25 x 10^5 kg. m/s and mass 0.285 kg. Answer in units of m/s.

What is biomass energy

I spilled water in my socket the one in the plug not a sock the plug

Look at your data. With three foods, Flock v was the most successful over three generations. With two foods (no fruit), Flock was the most successful.