Calculating Shot Put Release Speed | Projectile Motion Homework Problem

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In summary, the world record for the shot put event is 23.11 m and the shot was released at a 40 degree angle from a height of 2.00 m. To find the release speed, we can use the equations x-xo=vox*t and y=yo+voy*t+1/2*a*t^(2).
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Toranc3
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Homework Statement


In the shot put, a standard track-and-field event, a 7.30 kg object (the shot) is thrown by releasing it at approximately 40.0 degrees over a straight left leg. The world record for distance, set by Randy Barnes in 1990, is 23.11 m. Assuming that Barnes released the shot put at 40.0 degrees from a height of 2.00 m above the ground, with what speed, in m/s, did he release it?


Homework Equations



x-xo=vox*t

y=yo+voy*t+1/2*a*t^(2)

The Attempt at a Solution



Well I was a bit confused with the wording on this sentence:
In the shot put, a standard track-and-field event, a 7.30 kg object (the shot) is thrown by releasing it at approximately 40.0 degrees over a straight left leg.

It says 40 degrees over a straight left leg. What does that actually mean? Thanks!
 
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  • #2
I think 40 degrees over a straight left leg just means 40 degrees above the x-axis.
 

1. What is shot put and how does it involve projectile motion?

Shot put is a track and field event where athletes throw a heavy spherical object (called a shot) as far as possible. It involves projectile motion because the shot is launched at an angle and follows a curved path due to the force of gravity.

2. How does the angle of release affect the distance of the shot?

The angle of release is a critical factor in determining the distance of the shot. The optimal angle for maximum distance is around 45 degrees. If the angle is too low, the shot will not travel far enough, and if it is too high, it will not have enough horizontal distance.

3. What other factors can affect the distance of the shot in projectile motion?

Apart from the angle of release, the other factors that can affect the distance of the shot in projectile motion include the initial velocity, air resistance, and the height of release. A higher initial velocity and lower air resistance can result in a longer distance, while a higher release height can result in a shorter distance.

4. How is the trajectory of the shot affected by air resistance?

Air resistance can significantly impact the trajectory of the shot in projectile motion. As the shot moves through the air, air resistance will act in the opposite direction of its motion, slowing it down and causing it to fall at a steeper angle. This can result in a shorter distance compared to if there was no air resistance.

5. What are some techniques used to improve the distance of the shot in projectile motion?

Some techniques used to improve the distance of the shot in projectile motion include increasing the strength and speed of the thrower, perfecting the release angle, and minimizing air resistance by using proper throwing techniques. Other factors such as the type of shot used and the surface of the throwing area can also affect the distance and can be optimized for better results.

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