Giải thích và lấy 4 ví dụ chứng minh rằng mặt trời là nguồn gốc của dường như toàn bộ các nguồn năng lượng nuôi dưỡng duy trì sự sống và các hoạt động trên trái đất

Occurs when an energy source transfers heat directly to another subject space; an example would be an object becoming warm by sitting in the sunshine

The temperature in gavin's oven is a sinusoidal function of time. gavin sets his oven so that it has a maximum temperature of 280°f and a minimum temperature of 240°. once the temperature hits 280°, it takes 20 minutes before it is 280° again. gavin's cake needs to be in the oven for 30 minutes at temperatures at or above 270°. he puts the cake into the oven when it is at 260° and rising. how long will gavin need to leave the cake in the oven? (round your answer to the nearest minute.)

Avehicle accelerates from 0 to 30 m/s in 10 seconds on a straight road