In order to stop the car within 5 seconds, it must have a negative acceleration (or deceleration) of -2m/s2.
According to Newton's 2nd law: F = m*a. a = -2, m = 900kg, so F must be -1800N. Or 1800 Newtons to the direction reversed to the movement.
50 meters in 10 seconds is faster. you go 5 meters per second in 50 meters per second, and you go 6 meters a second in 5 seconds..
approx. 50 seconds
6 meters per second. Explanation: After 1 second = 2 meters per second. After 2 seconds = 4 meters per second. After 3 seconds = 6 meters per second.
(4 meters/second)(40 seconds) = 160 meters.
4 meters/2 seconds = 2 meters/second.
50 meters in 10 seconds is faster. you go 5 meters per second in 50 meters per second, and you go 6 meters a second in 5 seconds..
approx. 50 seconds
To find meters per second, divide the distance by the time. In this case, 10 meters divided by 1.39 seconds equals approximately 7.19 meters per second.
meters per second is a speed measurement and seconds is a time so the amount of meters per second depend on both meters and seconds not just one
6 meters per second. Explanation: After 1 second = 2 meters per second. After 2 seconds = 4 meters per second. After 3 seconds = 6 meters per second.
Divide total meters by total seconds to get meters per second
6.25 meters per second.
Multiply by seconds.
(4 meters/second)(40 seconds) = 160 meters.
395000 meters/9000 seconds is 43.889 meters/second
4 meters/2 seconds = 2 meters/second.
If it covers 92 meters in one second one needs to work out how many 92 meters there are in 1 Kilometer and this will be the number of seconds required to travel 1 Kilometer. There are 1000 meters in a kilometer thus 1000/92 = 10.87 so it will take the train 10.87 seconds to travel 1 kilometer.