In the hammer throw, an athlete spins a heavy mass in a circle at the end of a c

ID: 1341682 • Letter: I

Question

In the hammer throw, an athlete spins a heavy mass in a circle at the end of a cable before releasing it for distance as shown in (Figure 1) . For male athletes, the "hammer" is a mass of 7.3 kg at the end of a 1.2 m cable, which is typically a 3.0-mm-diameter steel cable. A world-class thrower can get the hammer up to a speed of 29 m/s. If an athlete swings the mass in a horizontal circle centered on the handle he uses to hold the cable

What is the tension in the cable? Neglect the gravity.
How much does the cable stretch? Young modulus for steel is 20×1010N/m2.
Please show work. Thanks!

Explanation / Answer

here

T = m * v^2 / r

T = 7.3 * 29 * 29 / 1.2

T = 5116 N

rollar coaster = 24900 N

drive over a rise = 4700 N

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In the hammer throw, an athlete spins a heavy mass in a circle at the end of a c

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In the hammer throw, an athlete spins a heavy mass in a circle at the end of a c

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