Why does fast twitch muscle fatigue faster ?
2 answers:
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Answer:
The speed of the train is 80 miles/hour.
Explanation:
Given:
Distance from Spokane to Seattle = 280 miles
The trip from Spokane to Seattle by train took = 3.5 hours
To find the speed of the train.
Solution:
The speed is the distance per unit time. So, to find the speed of the train we will divide the total distance of the trip by the time taken to complete the trip by the train.
Thus, the speed of the train is 80 miles/hour.
Answer:
The horizontal component of the 70 N force = 35·√3 N
The vertical component of the 70 N force = 35 N
Explanation:
The magnitude of the given force, F = 70 N
The angle of inclination of the given force to the horizontal, θ = 30°
By the resolution of forces, we can resolve the given force, F, into its horizontal component, Fₓ, and vertical components, , as follows;
The horizontal component of the given force = Fₓ = F × cos(θ)
Substituting the values, we have;
The horizontal component of the 70 N force, Fₓ = 70 × cos(30°) = 35·√3 N
The vertical component of the given force = = F × sin(θ)
Substituting the values, we have;
The vertical component of the 70 N force, = 70 × sin(30°) = 35 N.