A Trip By Car 250 E 200 150 DISTANCE (KM) 100 B с C 50 А 0 e 0 5 10 15 20 25 TIME (HRS) During which segment did the car travel the fastest?​

Arefrigerator uses r-134a as the working fluid and operates on the ideal vapor-compression refrigeration cycle except for the compression process. the refrigerant enters the evaporator at 120 kpa with a quality of 34 percent and leaves the compressor at 70°c. if the compressor consumes 450 w of power, determine (a) the mass flow rate of the refrigerant, (b) the condenser pressure, and (c) the cop of the refrigerator. (0.00644 kg/s, 800 kpa, 2.03)

Hi , i am new here can anyone me out with this question why is space black after having so many shining objects like sun , moon , stars

4. a car with a mass of 2,200 kg can accelerate from 0 to 30 m/s in 6 seconds. a. assuming all of the force generated by the engine goes into acceleration of the car, how much force is the engine producing? show your work. (6 points)