An aeroplane standing on a runway picks up a speed of 144 km/h in 40 s, before taking off. Calculate the uniform acceleration developed by its engine in SI system​

How many moles of magnesium is 3.01 x10^22 atoms of magnesium?

In 2002, the rare earth elements mine in mountain pass, california was closed because

Let the ed50 of a recreational drug be defined as the amount required for 50% of a test group to feel high or get a buzz. if the ed50 value of ethanol is 470 mg/kg body mass, what dose would a 70 kg party goer need to quickly consume in order to have a 50% chance of getting a buzz? 235 mg 470 mg 32,900 mg 35,000,000 mg