Algebra - Ch. 26: Solving Problems with Quadratic Equations (1 of 11) Projectiles Ex. 1

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A projectile is launched upward with an initial speed of 50m/s. We will find
a) height=? At t=3s
b) maximum height=?
c) total time in air=?

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[peterkovinski]

You're the best Physics teacher. Thank you for all the lessons.

[SPRING-ndrm]

Hats off for this great man!
Thank you very much sir.

[randomchaos]

To Mr. Biezen,
Thank you & family for all the time, effort, & dedication you put into making your u-tube channel. I use your channel daily as a refresher for courses I took in college. Even though, your instruction is worth thousands on the open market, I am truly thankful your Professional grade lessons. God Bless.

[alwysrite]

you should be resting until you get better. Throat is bad- rest the throat same as if you hurt your arm you would rest it and not exert it.

[hajiratanvirhajiratanvir]

take care yr health mr . your throat is not well.

[sharoonaftab]

I don't get the 4.9t^2 in the equation where did that come from?