"No esquema a barra homogênea BC tem 100 N de peso e o corpo P tem 500 N. Determine a intensidade da tração no fio AB e as componentes horizontal e vertical da força que a articulação exerce sobre a barra. Dados: sen30º = 1/2; cos30º = /2

Name three different units of energy used to measure heat and describe what type of situations each is usually used.

Using the work energy theorem. what is the velocity of a 850kg car after starting at rest when 13,000j of work is done to it.

Isla’s change in velocity is 30 m/s, and hazel has the same change in velocity. which best explains why they would have different accelerations? isla had negative acceleration, and hazel had positive. isla had a different time than hazel. isla had positive acceleration, and hazel had negative. isla went a farther distance than hazel.