Asked by Matthew

A rocket is fired at 1500 m/s at an angle of 50 degrees with respect to the ground.

a)What are the horizontal and vertical velocities at 10 seconds.
b)What is the actual velocity at 10 seconds.

Answers

Answered by Henry
Vo = 1500m/s @ 50 deg.

a. Xo = hor. = 1500cos50 = 964.2m/s.
X=hor. = Vo + gt=964.2 + 0=964.2m/s.

Yo = ver. = 1500sin50 = 1149.1m/s.
Y=ver. = 1149.1 + (-9.8)10 = 1051m/s.

b. V = sqrt(x^2 + y^2),
V = sqrt((964)^2 + (1051)^2=1426.3m/s.
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