. The concentration of drug X in aqueous solution drops by 10% per month when stored at room temperature. If the
degradation occurs by first order, what concentration will
remain if a 5 mg/ml solution of the drug is stored under the
same conditions for 3 months?

A1000-kg weather rocket is launched straight up. the rocket motor provides a constant acceleration for 16-s, then the motor stops. the rocket altitude 20-s after launch is 510-m. you can ignore any effects of air resistance. a. what was the rocket’s acceleration during the first 16-s? b. what is the rocket’s speed as it passes through a cloud 5100-m above the ground?

In positive numbers less than 1, the zeros between the decimal point and non zero are significant

A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n