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To find: Instantaneous Velocity of a Ball In physics it is shown that the height of a ball thrown straight down with an initial velocity of from rooftop 160 feet high is,
where is the elapsed time that the ball is in the air.
a. When does the ball strike the ground? That is, how long is the ball in the air?
To find: Instantaneous Velocity of a Ball In physics it is shown that the height of a ball thrown straight down with an initial velocity of from rooftop 160 feet high is,
where is the elapsed time that the ball is in the air.
b. What is the average velocity of the ball from ?
To find: Instantaneous Velocity of a Ball In physics it is shown that the height of a ball thrown straight down with an initial velocity of from rooftop 160 feet high is,
where is the elapsed time that the ball is in the air.
c. What is the instantaneous velocity of the ball at time ?
To find: Instantaneous Velocity of a Ball In physics it is shown that the height of a ball thrown straight down with an initial velocity of from rooftop 160 feet high is,
where is the elapsed time that the ball is in the air.
d. What is the instantaneous velocity of the ball at ?
To find: Instantaneous Velocity of a Ball In physics it is shown that the height of a ball thrown straight down with an initial velocity of from rooftop 160 feet high is,
where is the elapsed time that the ball is in the air.
e. What is the instantaneous velocity of the ball when it strikes the ground?
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- Number 4 plsarrow_forwardGood Day, Would appreciate any assistance with this query. Regards,arrow_forwardThis question builds on an earlier problem. The randomized numbers may have changed, but have your work for the previous problem available to help with this one. A 4-centimeter rod is attached at one end to a point A rotating counterclockwise on a wheel of radius 2 cm. The other end B is free to move back and forth along a horizontal bar that goes through the center of the wheel. At time t=0 the rod is situated as in the diagram at the left below. The wheel rotates counterclockwise at 1.5 rev/sec. At some point, the rod will be tangent to the circle as shown in the third picture. A B A B at some instant, the piston will be tangent to the circle (a) Express the x and y coordinates of point A as functions of t: x= 2 cos(3πt) and y= 2 sin(3t) (b) Write a formula for the slope of the tangent line to the circle at the point A at time t seconds: -cot(3πt) sin(3лt) (c) Express the x-coordinate of the right end of the rod at point B as a function of t: 2 cos(3πt) +411- 4 -2 sin (3лt) (d)…arrow_forward
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