1. Explain the relationship between number of pulleys and mechanical advantage. 2. Consider a pulley system with a mechanical advantage of 3 connected to a mass moving with a constant velocity. Calculate the mass of the object if the applied force is 15 N. 3. How would the mechanical advantage change on a different planet with a different gravitational force? Explain.
Answers: 2
Physics, 21.06.2019 16:30, minnie7760
Aball bearing at 220.0 °c is dropped into a cup containing 250.0 g of water at 20.0 °c. the water and ball bearing come to a temperature of 30.0 °c. what is the heat capacity of the ball bearing in j/°c? (hint: how are the algebraic signs of q related for the ball bearing and the water? )
Answers: 1
Physics, 22.06.2019 04:50, ineedhelpplz40
Two technicians are discussing a resistance measurement between the can-h and can-l wires. technician a says this measurement should be done with the ignition switch in the "run" position. technician b states that a measurement of 0 ohms indicates an open in the network. which technician is correct?
Answers: 1
Physics, 22.06.2019 12:40, ericsmith19
Afrequency generator sends a 550 hz sound wave through both water and ice. what is the difference in wavelength between the wave produced in ice and the wave produced in water?
Answers: 3
1. Explain the relationship between number of pulleys and mechanical advantage. 2. Consider a pulley...
Chemistry, 27.10.2020 02:50
Mathematics, 27.10.2020 02:50
Social Studies, 27.10.2020 03:00
Mathematics, 27.10.2020 03:00
History, 27.10.2020 03:00
English, 27.10.2020 03:00