A deuterium nucleus consists of one proton and

one neutron. The quark composition of a

deuterium nucleus is

(1) 2 up quarks and 2 down quarks

(2) 2 up quarks and 4 down quarks

(3) 3 up quarks and 3 down quarks

(4) 4 up quarks and 2 down quarks

What is the kinetic energy of a 1.0-kg billiard ball that moves at 5.0 m/s? A. 5.0 J B. 6.5 J C. 10.0 J D. 12.5 J

You load an arrow into a bow and pull the bowstring back. 50m. The bow has a spring constant k=2000N/m. What is the potential energy of the bowstring?

Which of the following would require the greatest number of calories? 1. Heating 1 g of water from 10◦C to 80◦C 2. Heating 10 g of water from 10◦C to 40◦C 3. Heating 1000 g of water from 10◦C to 12◦C 4. Heating 100 g of water from 10◦C to 50◦C

if two people are pulling aganst each other with forces of 200 N and 230N it is called what kind of force?

Which policy has a cost efficient way to reduce sulfur dioxide emissions? A) enacting cap-and-trade legislation B) implementing scrubber technology on all power plants C) burning high-sulfur coal D) banning the emissions of sulfur dioxide entirely

Most of the mass of the Milky Way exists in the form of: a.) starsb.) gasc.) dustd.) dark matter

A 55kg cart is pushed by a force of 225 n. what is the carts acceleration?

F we wanted to compare muscular endurance between a very large person and a very small person, what method would be the best method to use? a. absolute method b. maxing out c. callisthenic method d. fixed percentage of rm method

After creating a question and forming a hypothesis, what is the next step in the scientific method

Roger sees water balloons fall past his window. He notices that each balloon strikes the sidewalk 0.51 s after passing his window. Roger's room is on the second floor, 10 m above the sidewalk.