A paper airplane moves at a constant velocity of 10 m/s to the east when there is no wind. What is its resultant velocity if a steady easterly wind of 19 m/s begins to blow?

Which of the following is the result of the nuclear weak force? the instability of large nuclei the repelling force between positively charged protons the structure of the atom certain types of nuclear decay

Apulley system is used to lift a 2,000 newton engine up a distance of 3 meters. the operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor. to lift the engine 3 meters, the operator must pull a total of 30 meters of chain through the pulley system. what is the value of di?

Which atomic model was proposed as a result of j. j. thomson’s work?