Arace car travels a circular track at an average rate of 135 mi/hr. the radius of the track is 0.450 miles. what is the centripetal acceleration of the car? 300 mi/hr2 61 mi/hr2 8,201 mi/hr2 40,500 mi/hr2

In 2015, about ten percent of total u.s. energy consumption was from renewable energy sources. renewable energy plays an important role in reducing greenhouse gas emissions. when renewable energy sources are used, the demand for fossil fuels is reduced. sanjay and his family want to cut back on their use of non-renewable resources at home. they are thinking of an alternate way to heat their home without adding more greenhouse gases or pollutants to the environment. which renewable resource would not fit into their plan? a) solar power b) burning wood c) constructing a wind turbine eliminate d) generating hydroelectric power