Awashing machine uses 1.8 × 105 watts of power. if it is in use for 2 hours per day (on average), how many kilowatt hours will it use in 30 days? a. 1.1 × 104 kilowatt hours b. 36 kilowatt hours c. 18 kilowatt hours d. 540 kilowatt hours e. 1.1 × 106 kilowatt hours

Natural forces that can alter ecosystems include seasons and climate changes. t or f

Suppose a soccer ball is kicked from the ground at an angle 20.0º above the horizontal at 8.00 m/s. the y-velocity is determined to be 2.74 m/s. how long will the ball be in the air? assume the ball lands at the same height at which it was kicked.

Asailboat is traveling to the right when a gust of wind causes the boat to accelerate leftward at 2.5m/s2 for 4s. after the wind stops, the sailboat is traveling to the left with a velocity of 3.0m/s.assuming the acceleration from the wind is constant, what was the initial velocity of the sailboat before the gust of wind? answer using a coordinate system where rightward is positive.