The ballistic pendulum (see Figure) is a device used to measure the speed of a fast - moving projectile such as a bullet. The bullet is fired into a large block of wood suspended from some light wires. The bullet embeds in the block, and the entire system swings up to a height h. It is possible to obtain the initial speed of the bullet by measuring h and the two masses. Given: Mass of bullet, m1, is 5.00 g Mass of pendulum, m2, is 1.000 kg Vertical displacement of pendulum after bullet hits is, h, is 5 cm What is the initial speed of the bullet before it hits the wooden block pendulum? a. 199 m/s b. 239 m/s c. 403 m/s d. 495
The ballistic pendulum (see Figure) is a device used to measure the speed of a fast - moving projectile such as a bullet. The bullet is fired into a large block of wood suspended from some light wires. The bullet embeds in the block, and the entire system swings up to a height h. It is possible to obtain the initial speed of the bullet by measuring h and the two masses.
Given:
Mass of bullet, m1, is 5.00 g
Mass of pendulum, m2, is 1.000 kg
Vertical displacement of pendulum after bullet hits is, h, is 5 cm
What is the initial speed of the bullet before it hits the wooden block pendulum?
a. 199 m/s
b. 239 m/s
c. 403 m/s
d. 495
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Can you explain where the equation for v1 in step 2 was derived? Thank you.
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