Q. After a day of testing race cars, you decide to take your own 1410 kg car onto the test track. While moving down the track at 10m/s, you uniformly accelerate to 31m/s in 10 s. What is the average net force that you have applied to the car throughout the 10 s interval?
Q. Two loudspeakers are placed 3.00 apart. They emit 510Hz sounds, in phase. A microphone is placed 3.20 distant from a point midway between the two speakers, where an intensity highest is recorded. How far should the microphone be moved to the right to determine the first intensity least?