A block with a speaker bolted to it is connected to a spring having spring constant, k as shown in the figure below. the total mass of the block and the speaker is 5.00kg and the amplitude of the unit's motion is 0.500m, the speaker emits sound waves of frequency 440.0hz and the lowest frequency heard by the person to the right of the speakers is 438.7 Hz

Answer: it will take   4.36 seconds to reach her average velocity 10.69 miles/hour.explanation:   we have equation of motion ,where s is the displacement, a is the acceleration, u is the initial velocity and t is the time taken.average velocity = displacement/ time taken.average velocity = 10.69 miles/hr = 10.69*1.6*1000/(60*60) = 4.75 m/s4.75 = s/ts = 4. 1we also have acceleration = 2.18 m/s², initial velocity = 0 m/sso it will take   4.36 seconds to reach her average velocity 10.69 miles/hour.

The correct answer should be b let me know if i’m wrong

Shania is trying to determine the oldest geologic unit on this map and the reason to why is she unable to do so is that  the units are all the same age.. when there is the same age, there will be no oldest geologic unit and that i cannot be credible.