Question

A donkey pull a cart with constant speed of 7.2. Km/t with the help of rope tide to making angle of 60° with the horizontal for 1 minute and 30W calculate the work done house and its power? 1.find the work done by a Machine in lifting a mass of 40kg to a hieght of 10m [g= 9.8 m/s 2.In a house five appliances are used daily for 10 hour If two appliance of 200 W each and three appliances are of 400 W than calculate the electrical energy consumed by the appliances in a day? 3.Find the Kinectic energy of a electron moving speed of 2x10² m/s mass of electron is 9.1 x 10-³1kg​

Answer 1

Answer:

1.755542

Explanation:

A donkey pull a cart with constant speed of 7.2. Km/t with the help of rope tide to making angle of 60° with the horizontal for 1 minute and 30W calculate the work done house and its power? 1.find the work done by a Machine in lifting a mass of 40kg to a hieght of 10m [g= 9.8 m/s 2.In a house five appliances are used daily for 10 hour If two appliance of 200 W each and three appliances are of 400 W than calculate the electrical energy consumed by the appliances in a day? 3.Find the Kinectic energy of a electron moving speed of 2x10² m/s mass of electron is 9.1 x 10-³1kg