In the diagrams shown below, the length of the arrow indicates the relative amount of force. Which of these diagrams correctly shows the amount and direction of the forces on the wall and the car during the collision? A

B

C

D

out of these options:

ability to burn paper

pure sodium reacting violently with water

the boiling point of water

helium does not tend to react with anything

i would say this is a physical property:

helium does not tend to react with anything

why? :

i said helium does not tend to react with anything because well, it reacts to ! but ability to burn paper, pure sodium reacting violently with water, & the boiling point of water are chemical or

physical properties: the properties of a substance that can be observed without changing the chemical makeup of the substance

chemical properties: properties of a substance relating to the chemical nature and reactivity of the substance

the correct answer is option d

explanation:

i was wrong its d because they dont use cm when calculating square roots

20 drops hope this

im not exactly sure but i think its b!