course phy201
A projectile leaves the edge of a table and, while traveling horizontally at a constant 41 cm/s, falls freely a distance of 58 cm to the floor. If its vertical acceleration is 980 cm/s2, how long does it take to fall and how far does it travel in the horizontal direction during the fall?It will take the projectile .344s to hit the floor. The projectile will also travel 14.11 cm in the horizontal direction during the fall.
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y=-1/2gt
58cm = -1/2(980cm/s^2)t
58cm = -490cm/s^2(t)
58cm/490cm/s^2 = t
.118367s^2 = t
sqrt.118367s^2 = t
.344s = t
.344s * 41cm/s = 14.11cm (horizontal displacement during fall)"
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