This Ft = mv is very important, in fact, it can save your life. Seat belts, air bags, crumple zones and other car safety features are based on this formula.
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Oops! You’re right! I have a calculator error on the video. I am so sorry about that! I should have checked the decimal places and seen that 300 million is not even in the ball park of the right answer, and should have been in the ten thousands. You have the correct answer at 83,540 lbf.
When we solve this, we get 83,540 lb. force. Can you help us? We converted mph to ft/s and got 80.7 ft/s. So then we multiplied weight 100 * 80.7, then divided by 32.2, then divided by .003.
Oops! You’re right! I have a calculator error on the video. I am so sorry about that! I should have checked the decimal places and seen that 300 million is not even in the ball park of the right answer, and should have been in the ten thousands. You have the correct answer at 83,540 lbf.
When we solve this, we get 83,540 lb. force. Can you help us? We converted mph to ft/s and got 80.7 ft/s. So then we multiplied weight 100 * 80.7, then divided by 32.2, then divided by .003.