A 2.3 kg mass is hanging from a teeter-totter (see-saw) at 3.8 meters from the fulcrum (pivot point). Calculate the Torque. (Hint: First you must figure out the downward force—which is the weight—so, use F=ma.)

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

Write down two additional questions about earth's magnetic field that will make your presentation more informative.

An architect plans to use solar energy to heat the next house he designs. what principle of absorption and infrared energy can be applied to the design of the new house? how could she apply to those principals?