Physics, 29.06.2019 15:10 QueenDarbane9696
No sistema representado abaixo, a massa do bloco a é igual a 2 kg, a do bloco b é igual a 8 kg. a aceleração da gravidade vale 10 m/s² e o coeficiente de atrito cinético entre o bloco e a superfície de apoio vale 0,2. nessas condições a aceleração dos blocos e a força de tração no fio são respectivamente iguais a: a. 19,2 m/s² e 4 n b. 0,4 m/s² e 19,2 n c. 5 m/s² e 10 n d. 4 m/s² e 19,2 n e. 0,4 m/s² e 20 n
Answers: 2
Physics, 22.06.2019 14:30
What conclusion can be made based on the temperature of soil when the light hits the soil at 0°, 45°, and 90° angles in section 2 of the experiment? did your results support your hypothesis? why or why not?
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Physics, 23.06.2019 05:00
What about a rubber band, can it change its shape? is it a solid?
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Physics, 23.06.2019 08:00
Diego is trying to lift a piano to the second floor of his house. diego uses a pulley system and gives a big lift to the piano. the piano moves upward, then stops, and then it starts to fall to the ground. which list best describes the forces on the piano in the proper order? a.positive force, balanced force, negative force b.negative force, balanced force, positive force c.positive force, unbalanced force, negative force d. negative force, unbalanced force, positive force
Answers: 1
No sistema representado abaixo, a massa do bloco a é igual a 2 kg, a do bloco b é igual a 8 kg. a ac...
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