To solve the equation vf = vi + at, where vf is the final velocity, vi is the initial velocity, a is the acceleration, and t is the time, you first need to identify the values of vi, a, and t. Then, substitute these values into the equation and solve for vf by adding vi and the product of a and t. This equation is derived from the kinematic equation vf = vi + at, which relates the final velocity of an object to its initial velocity, acceleration, and time.
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Well, let's break it down nice and easy. To solve the equation vf = vi + at, you first subtract vi from both sides to isolate vf. Then, you multiply a by t and add the result to vi to find vf. Remember, take your time and enjoy the process of solving equations like this - it's just like painting a happy little picture!
Oh, dude, it's like this - to solve the equation vf = vi + at, you just need to subtract vi from both sides to isolate vf. So, vf = vi + at becomes vf - vi = at. And there you have it, you've solved the equation step by step! Easy peasy, lemon squeezy.
vf=vi+at equation can be solved by substituting the letters in the equation with there actual values where vf is the finall velocity, vi is the initial velocity, a is the acceleration and t is the time.
How you solve v(f) = v(i) + at (or even slove it) depends on which of the variables are known and which one you need to solve for. The steps will differ accordingly.
f=ma vf=vi+at s=vi+1/2at
A equals Vf minus Vi divided by time equals triangle v divided by time
vf2 = vi2 + 2ad, where vf is final velocity, vi is initial velocity, a is acceleration, and d is displacement. Solve for a.vf = vi + at, where t is time time. Solve for a.
(vf-vi)/ t is ?
The ball reaches a maximum height of ~81.6 meters. How to do it: Find the change in time using Vf = Vi -g(t) We know: Vf = 0 (terminal velocity) and Vi = 40 (given in question) So, Vf = Vi - g(t) => 0 = 40 - g(t) --Rework the equation to solve for t... t = 40/g => since g = 9.8... t = 40/9.8 ~ 4.08 So the change in time is about 4.08 seconds Now plug your new values into the kinematics equation Yf = Yi + Vi(t) + 1/2(a)(t^2) Plug in our values and solve => Yf = 0 + (40 * 4.08) - (9.8 * 4.08^2)/2 Therefore, Yf = 81.6 meters. This is your maximum height. Remember to find the time taken for the ball to fall from this height back to the ground if you need to calculate the total time of the fall. Source: I recently took a test with this exact question, got it right. Thanks for posting! ~Secret Physics Man