The speedometer on a car has an uncertainty of 4.0%. what is the range of possible speeds when it reads 60 mph

Awave with a frequency of 500 hz is traveling at a speed of 100 m/s. what is the wavelength?

The basketball coach tells his team to run sprints back and forth across the court, which is 30 m long. they start at the left end of the court, run back and forth 6 times, then end back at the left end of the court where they began. what distance did they run? what is their displacement?

Whithin which type of system is neither the total mass nor the total energy conserved ? a. open b. connected c. isolated d. closed