Answer:
440hz
Explanation:
saxophone a plays at 430hz and a frequency of 5 beats per second can be heard so saxophone b is playing at a frequency 10hz louder than saxophone A making it 440hz
Answer:
Magnetism is the force exerted by magnets when they attract or repel each other.
Answer:
Peer Review
Explanation:
When scientist check other scientists the process is dubbed "peer review".
Answer:
The correct answer is d Both the observer's are correct
Explanation:
We know by postulates of relativity that laws of physics are same in different inertial frames.
Thus for each of the frames they make observations related to their frames and since the observations are true for their individual frames they both are correct. But when we compare the two frames we need to use transformation equations to compare both the results.
The heat is transferred to one material to another, however insulators minimize that transfer, keeping it in the area, warming it.
