At the end of 7.508 seconds, the car has traveled 62 meters, and it's speed is 16.517 meters per second.
wavelength = speed / frequency Wavelength should be expressed in meters (m), speed in meters per second (m/s), and frequency in hertz (Hz). I assume by "ms" in the question you actually mean "m/s" since the former is "milliseconds" (a measure of time) and the later is "meters per second" (a measure of speed). 1000 / 50 = 20 meters
Speed = distance/time => Speed = 20m / 5s => Speed = 4 m/s or 4 ms-1
Average acceleration = (amount of change in speed velocity) / (time for the change) = (30 - 10) / (4) = 5 meters per second2 to the east
The object is moving at the speed of 50 ms-1 .
At the end of 7.508 seconds, the car has traveled 62 meters, and it's speed is 16.517 meters per second.
Not sure of your abbreviations. I'll assume that 'ms' = "meters per second", and 's' = "seconds" Change in speed = (25 - 0) = 25 meters per second Time = 8 seconds Average acceleration = (change in speed) / (time) = 25/8 = 3.125 meters per second2
Initial speed = 0Final speed = (2.6 x 6.4) = 16.64 m/sAverage speed = 8.32 m/sDistance = (average speed) x (time) = (8.32 x 8.4) = 53.248 meters
wavelength = speed / frequency Wavelength should be expressed in meters (m), speed in meters per second (m/s), and frequency in hertz (Hz). I assume by "ms" in the question you actually mean "m/s" since the former is "milliseconds" (a measure of time) and the later is "meters per second" (a measure of speed). 1000 / 50 = 20 meters
2 meters/second or 7 km/h
If you divide the meters by the seconds, you get the average speed. But that would be in meters / second, not in meters per second squared, which is a unit of acceleration.
1,500 J
Speed = distance/time => Speed = 20m / 5s => Speed = 4 m/s or 4 ms-1
KE = 1/2 M V2= (1/2) (1,600) (12.5)2= 125,000 kg-m2/sec2= 125,000 newton-meters= 125,000 joules.
KE = 1/2 M V2= (1/2) (1,600) (12.5)2= 125,000 kg-m2/sec2= 125,000 newton-meters= 125,000 joules.
Average acceleration = (amount of change in speed velocity) / (time for the change) = (30 - 10) / (4) = 5 meters per second2 to the east
the velocity term of m/s is meters per second hopefully this is what you were asking