Omar compares the body shapes of different species to understand what helps them move. He has read that when monkeys swing from tree to tree, they move like pendulums. When they swing from one branch immediately to another, they swing slowly. But, when they prepare to let go and fly to a branch a greater distance away, they swing quickly. Omar wants to figure out what basic variables affect their pendulum motion.

Omar designs an experiment to determine what affects the time it takes for a pendulum to oscillate (swing back and forth one time). In his experiment, three independent variables a tested, one at a time. The independent variables being tested are length of the pendulum, mass of the pendulum, and angle of release. Omar's results are shown here.

What can be concluded from the information in the tables?

A. Only the angle of release has an effect on the time it takes to complete one oscillation.
B. Only the mass of the pendulum has an effect on the time it takes to complete one oscillation.
C. Only the length of the pendulum has an effect on the time it takes to complete one oscillation.
D. All three independent variables have an effect on the time it takes to complete one oscillation.

Question

Omar compares the body shapes of different species to understand what helps them move. He has read that when monkeys swing from tree to tree, they move like pendulums. When they swing from one branch immediately to another, they swing slowly. But, when they prepare to let go and fly to a branch a greater distance away, they swing quickly. Omar wants to figure out what basic variables affect their pendulum motion.

Omar designs an experiment to determine what affects the time it takes for a pendulum to oscillate (swing back and forth one time). In his experiment, three independent variables a tested, one at a time. The independent variables being tested are length of the pendulum, mass of the pendulum, and angle of release. Omar's results are shown here.

What can be concluded from the information in the tables?

A. 	Only the angle of release has an effect on the time it takes to complete one oscillation.
	B. 	Only the mass of the pendulum has an effect on the time it takes to complete one oscillation.
	C. 	Only the length of the pendulum has an effect on the time it takes to complete one oscillation.
	D. 	All three independent variables have an effect on the time it takes to complete one oscillation.

anonymous · Answer

attachment

anonymous · Answer

someone help? Medal and fan?

anonymous · Answer

@sara_lee101

anonymous · Answer

im not good at this at all

anonymous · Answer

hi, thank you!

cydney_morgan · Answer

First tell me what you can conclude. c:

cydney_morgan · Answer

And I will add input.

anonymous · Answer

what I can conclude is that, there are a bunch of confusing graphs and questions :/

cydney_morgan · Answer

Give it a try first!

anonymous · Answer

I really dont understand these ones too much

anonymous · Answer

Well, based on previous knowledge, I could say that it might be B since it seems to be the closest thing to the graphs...

cydney_morgan · Answer

Hmm.. Let me see if I can get my super smart science buddy, @quickstudent and @aliboo997 . :3

anonymous · Answer

okay thank you

cydney_morgan · Answer

If biology does not work, try posting this in the math section as well. :)

anonymous · Answer

OK

anonymous · Answer

Can someone help me?

aaronq · Answer

Just explain the observations, for example, it takes less time for an oscillation to occur when you decrease the mass of the pendulum.

anonymous · Answer

What

anonymous · Answer

I am confused.. could you walk me through

aaronq · Answer

it's really simple, look at the data you posted and say what is happening with each one of the variables. I already told what happens when you decrease the mass.

anonymous · Answer

mmmm... ok, so would the answer be C?

aaronq · Answer

i just told you that when you decrease the mass you decrease the period (time it takes) of an oscillation, so no it's not C.