mesin mesin carnot pada suhu tinggi 627 derajat Celcius untuk menghasilkan kerja mekanik jika mesin menyerap kalor 700 Joule suhu rendah 127° Celcius hitung usaha yang dilakukan​

•• al and bert are jogging side-by-side on a trail in the woods at a speed of 0.75 m/s. suddenly al sees the end of the trail 35 m ahead and decides to speed up to reach it. he accelerates at a constant rate of 0.50 m/s2, while bert continues on at a constant speed. (a) how long does it take al to reach the end of the trail? (b) once he reaches the end of the trail, he immediately turns around and heads back along the trail with a constant speed of 0.85 m/s. how long does it take him to meet up with bert? (c) how far are they from the end of the trail when they meet?

Orange juice has a lower or higher viscosity than chocolate syrup

The diagram shows a series of volcanic island and a hot spot determine the direction of movement of the tectonic plate that for the island