how many seconds will it take for a sattelite to travekl 450 km at a rate of 120 m/s
what is the walking speeed of a walking person in m/s if the person travels 1000 m in 20 mins
a ball rolls down a ramp for 15 seconds. if its inituial velocity of the ball was 0.8 m/sec and the final velocity was 7 m/sec what was the acceleration of the ball
1. To find the time it takes for a satellite to travel 450 km at a rate of 120 m/s, we can use the formula Time = Distance / Speed.
Time = 450,000 meters / 120 m/s = 3750 seconds.
2. To find the walking speed of a person in m/s if they travel 1000 m in 20 minutes, we first need to convert minutes to seconds (20 minutes * 60 seconds = 1200 seconds). Then we can use the formula Speed = Distance / Time.
Speed = 1000 m / 1200 s = 0.833 m/s.
3. To find the acceleration of the ball rolling down a ramp for 15 seconds, we can use the formula Acceleration = (Final Velocity - Initial Velocity) / Time.
Acceleration = (7 m/s - 0.8 m/s) / 15 s = 0.747 m/s^2.