Please help with graph and Questions: 1) What happens to the period as the length decreases?
2) Using your graph, what is the length of a pendulum with a period of 2’s?
3) What is the period for a length of 45 cm?
4) What are the sources of error for question #3? (ie. Why doesn’t everyone have the same answer for #3?)
5) How would a larger mass change your results?

Time remainin52: 42the chart shows data for a moving object.which conclusion is best supported by the information inthe chart? time (s)velocity (m/s

First answer marked as brainiest which is the correct equation describing the first law of thermodynamics? a) when the internal energy of a system changes, it equals the amount of heat added plus the work done. b) when work is done by the piston, it is equal to the heat added plus the change in internal energy of the system. c) when heat is added to the system, it is equal to the amount of work done by the piston plus the change in internal energy of the system.

Answer fast for brainliest an optical telescope is an instrument that collects and reflects light from distant objects focuses light from very small objects stores heat from distant objects focuses light from distant objects