train of mass 2x105 kg moves at a constant sped of 72 km/hr up a straight incline against a frictional force of 1.28 x 104 N . The inclination is such that the train rises vertically 1 metre for every 100 m travelled along the incline . Calculate the necessary power developed by the engine of the train.

What is the result of converting 60 ounces to pounds remember there are 16 ounces in a pound

Finally, the arena decides to offer advertising space on the jerseys of the arena’s own amateur volley ball team. the arena wants the probability of being shortlisted to be 0.14. what is this as a percentage and a fraction? what is the probability of not being shortlisted? give your answer as a decimal. those shortlisted are entered into a final game of chance. there are six balls in a bag (2 blue balls, 2 green balls and 2 golden balls). to win, a company needs to take out two golden balls. the first ball is not replaced. what is the probability of any company winning advertising space on their volley ball team jerseys?

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%