M part one if you get stuck! 1 point
A ball is thrown. It has an initial speed of 5 m/s. It stops 5 seconds later. What was the
acceleration of the ball? *
-5 m/s^2
1 m/s^2
5 m/s^2
25 m/s^2
O -1 m/s^2

Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?

Object a has a length of 3 cm, a width of 2 cm, and a height of 4 cm. object b is dropped into a graduated cylinder. it displaces 19 ml of water. the volume of object a is: a: greater than the volume of object b b: less than the volume of object b c: equal to the volume of object b

Which of the following statements are evidence that gases do not always behave ideally? check all that apply.? a. co2 gas becomes dry ice (solid co2) at 1 atm and –78.5 °c. b. when two gases are mixed, they follow dalton\'s law of partial pressures. c. at 4 k and 1 atm, helium is a liquid. d. it is impossible to compress a gas enough so that it takes up no volume.