What is the net force on a skydiver falling with a constant velocity of 0 m/s downward?

The force it would take to accelerate an 900-kg car at the rate of 6m/s2

Frequency of electromagnetic waves that a radio station is assigned is called

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.)