It takes a force of 1250N to keep a car moving with constant speed up a slope. If the engine delivers 50.0hp (3.73x10^2W) what is the speed of the car?
work (energy) is force (Newton) act through a distance (meter)
... force times distance ... Newton⋅meters are also called Joules
3.73x10^2 = 3.73 * 100 = 373
Please I need help with this question ASAP👆🏻👆🏻👆🏻I posted up
a Watt is a Newton⋅meter/second
373 W / 1250 N = ? m/s
Thanks, but what do you mean
Newton * m/s Is (.) means times?
And how you get 373W?
To find the speed of the car, we can use the formula:
Power = Force x Velocity
Given:
Force = 1250 N
Power = 3.73x10^2 W (50.0 hp)
We can rearrange the formula to solve for velocity:
Velocity = Power / Force
Substituting the given values:
Velocity = (3.73x10^2 W) / (1250 N)
To simplify the calculation, let's convert the power to watts:
1 horsepower (hp) = 746 watts (W)
50.0 hp = 50.0 x 746 W = 37300 W
Now, substituting the values again:
Velocity = (37300 W) / (1250 N)
Dividing the power by the force:
Velocity = 29.84 m/s
Therefore, the speed of the car is approximately 29.84 m/s.