A rocket's engine ejects fuel at a rate of 40 \text{ kg/s}40 kg/s with an exhaust velocity of 4000 \text{ m/s}.4000 m/s. If the rocket's initial mass is 24000 \text{ kg},24000 kg, what is the approximate change in velocity after 2424 seconds? A. 122.2 m/s B.163.0 m/s C.81.5 m/s D.203.8

Ahypothesis test is conducted with a significance level of 5%. the alternative hypothesis states that more than 65% of a population is right-handed. the p-value for the test is calculated to be 0.03. which of the following statements is correct? we can conclude that more than 3% of the population is right-handed. we cannot conclude that more than 65% of the population is right-handed. we can conclude that more than 65% of the population is right-handed. we can conclude that exactly 3% of the population is right-handed. there is not enough information given to make a conclusion.

The career field ensures that facilities and equipment run smoothly.

Which of the following forests would the wilderness act of 1964 most effectively protect from harmful logging? i. a forest containing several service roads ii. a forest through which a highway has been constructed iii. a forest that has never been affected by human development a. i only b. ii only c. iii only d. i and ii only e. i and iii only