A projectile is launched at an angle into the air at velocity v and angle θ. Determine its vertical acceleration.
2 answers:
When you're dealing with projectile problems, you have two dimensions: an x (horizontal) dimension and a y (vertical) dimension. The only force that will be acting upon a projectile in the air is the force of gravity, which points down in the y/vertical dimension.
Gravity causes a downward vertical acceleration of
.
The velocity and angle do not affect the vertical acceleration.
Gravity causes a downward vertical acceleration of
The velocity and angle do not affect the vertical acceleration.
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Answer:
1.48 Mpa
Explanation:
Given that For a polymer that was maintained at constant strain, an initial stress of 2.76 MPa decreases to 1.72 MPa after 6 hr. To estimate the stress remaining after 30 hr, we must first find the decay constant by using the exponential equation.
Therefore, the estimate of the stress remaining after 30 hr, is 1.48Mpa.
Please find the attached file for the solution.
