Una mujer esta segando su prado con segadora eléctrica cuya cuchilla gira a 1500rpm. la mujer encuentra una zona de hierba alta e incrementa la celeridad a 2000rpm durante un intervalo de 3.40s con una aceleración angular constante. cuál es la aceleración angular? .2 cuántas revoluciónes ha realizado la cuchilla mientras estaba acelerando?

Write a question about how changing temperature affects the gas inside the sports ball

Which statements about tornadoes are true? check all that apply. (a) about 12,000 tornadoes hit the united states every year. (b) a tornado looks like a funnel. (c) tornadoes are deadly atmospheric storms that cause millions in damages each year. (d) tornadoes can reach wind speeds of more than 300 miles per hour. (e) kansas is the state with the most tornadoes. (f) you will always notice a funnel before a tornado strikes.

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)