Which of the following terms is used to refer to the output of Message Authentication Code (MAC)?

  A 4.1 kg mass with an initial velocity of 9 m/s collides with a second mass of 5.2 kg that is initially stationary. After the collision, the second mass has a velocity of 6.5 m/s . a) solve for the velocity of the first mass after the collision. b) explain how you would solve for the % elasticity of the collision.

  c = 3×108 m/s a) If a spacecraft is traveling away from Earth at 70% of the speed of light and observes 35 seconds to pass on its clock, how much time would have passed for an observer on Earth?   b) if a particle travelling through the atmosphere observes the distance between two trees to be 500m but a person standing on Earth observes the distance between the trees to be 700m, how fast was the particle travelling?

At the center of the pinion gear, where it is attached to the shaft, what kind of reactions will the shaft apply on the pinion gear? Mark all that apply. 

 You are managing a neonate with a birthweight of 0.75 kg and gestational age of 27 weeks, who has been diagnosed with a large PDA with left to right flow.  After discussion in rounds, a decision is made to treat with ibuprofen. What is the correct order?

You are managing a 25 week, 2 day old infant on high ventilator settings. An echocardiogram reveals a large PDA with left to right flow and an otherwise structurally normal heart. A decision is made to treat the PDA. His platelet count is 256K and his creatinine is 0.62. Which of the following drug therapies are available for treatment of the PDA in this infant?

If you divide the inventory turnover ratio into 365, you get a measure of 

A firm’s year-end retained earnings balances are $20,000 and $100,000, for 2018 and 2019, respectively. The firm reported net profits after taxes of $100,000 in 2019. The firm’s dividend payment for 2019 is 

A firm’s total asset turnover increased from 0.75 to 0.90. Which of the following is TRUE about the given data?

Clearly, firms need to ensure they can meet their financial obligations when due, making liquidity essential. However, do you think it’s possible for a firm to have too much liquidity?