In which of the following situations (if any) are police allowed to enter someone’s home to make an arrest without a warrant?

Two cars approach each other along streets that meet at a right angle.  They collide and stick together at the intersection.  If the smaller car has a mass of 1300 kg and is moving at 2.25 m/s South when it collides with the larger 1700 kg car which is traveling at 4.50 m/s East.  What is the speed and direction of the combined wreckage immediately after the collision?   Speed =   Direction = degrees from +x axis

The velocity of a pitched ball (150 g) has a magnitude of 40.0 m/s.  After striking the bat the batted ball’s velocity is 59.0 m/s in the opposite direction. a) Find the magnitude of the change in momentum of the ball.     b) What is the magnitude of the Impulse applied to the ball by the bat?     c) The ball is in contact with the bat for 1.5 ms.  What is the average force applied by the bat on the ball?     d) The mass of an MBA bat is 0.940 kg.  If the bat is in contact with the ball for 1.5 ms, what is the magnitude of the force applied by the ball on the bat.  

List 3 categories of drugs of abuse that are routinely measured.

How do healthy lungs compensate for the decrease in pH in a state of metabolic acidosis? 

According to the toxicology guest speaker, what is the first piece of information to inquire when interpreting a toxicology result?

A pharmacogenetic drug-gene target would be most successful when clinically implemented when it

All of the following factors must be demonstrated before metal toxicity is considered a diagnosis except:

An example of a confirmatory laboratory test used to verify a borderline abnormal newborn screening test result in an asymptomatic individual would be gas chromatography combined with mass spectrometry, particularly for organic acid analysis.

List 3 factors that influence enzymatic reactions?