Question

Part 1. A 1350-kilogram truck moving with a speed of 22.0 m/s runs into the rear end of a 1290-kilogram stationary car. If the collision is completely inelastic, how much kinetic energy is lost in the collision?

Part 2. An 20 g rifle bullet traveling at 290 m/s buries itself
in a 5.4 kg pendulum hanging on a 3.2 m long string, which makes
the pendulum swing upward in an arc. Determine the maximum vertical
displacement of the pendulum (height).(g = 9.8 m/s^{2})

Answer #1

A 16 g rifle bullet traveling 210 m/s buries itself in a 3.8 kg
pendulum hanging on a 2.8 m long string, which makes the pendulum
swing upward in an arc. Determine the horizontal component of the
pendulum's displacement.

A 18 G rifle bullet traveling to 230 m/s buries itself
in a 3.8 kg pendulum hanging on a 2.9 m long string, which makes
the pendulum swing upward in an arc. Determine the vertical and
horizontal components of the pendulum displacement.
vertical
horizontal

A 20 g rifle bullet traveling 220 m/s buries itself in a 3.7 kg
pendulum hanging on a 3.0 m long string, which makes the pendulum
swing upward in an arc. Determine the vertical and horizontal
components of the pendulum's displacement.
vertical: _____
Horizontal: _______

A 19 g rifle bullet traveling 230 m/s buries itself in a 3.1 kg
pendulum hanging on a 2.8 m long string, which makes the pendulum
swing upward in an arc. Determine the vertical and horizontal
components of the pendulum's displacement.
vertical______
m
horizontal
_____m

A 20 g rifle bullet traveling 225 m/s buries itself in a 3.3 kg
pendulum hanging on a 2.7 m long string, which makes the pendulum
swing upward in an arc. Determine the vertical and horizontal
components of the pendulum's displacement.
I was able to get the vertical components which was 0.0936m but
I'm not sure how to get the horizontal.

A 28-g rifle bullet traveling 190 m/s embeds itself in a 3.9-kg
pendulum hanging on a 2.6-m-long string, which makes the pendulum
swing upward in an arc. Determine the horizontal component of the
pendulum's maximum displacement.

A 28-g rifle bullet traveling 240 m/s embeds itself in a 3.4-kg
pendulum hanging on a 2.5-m-long string, which makes the pendulum
swing upward in an arc.
A) Determine the vertical component of the pendulum's
maximum displacement.
B) Determine the horizontal component of the pendulum's maximum
displacement.

A 29-g rifle bullet traveling 220 m/s embeds itself in a 3.0-kg
pendulum hanging on a 2.7-m-long string, which makes the pendulum
swing upward in an arc. (Figure 1)
A) Determine the vertical component of the pendulum's maximum
displacement.
B) Determine the horizontal component of the pendulum's maximum
displacement.

Croquet ball A moving at 8.7 m/s makes a head on collision with
ball B of equal mass and initially at rest. Immediately after the
collision ball B moves forward at 7.1 m/s .
1.) What fraction of the initial kinetic energy is lost in the
collision?
A 25-gg rifle bullet traveling 230 m/sm/s embeds itself in a
3.9-kgkg pendulum hanging on a 3.0-mm-long string, which makes the
pendulum swing upward in an arc
1.) Determine the vertical component of...

A 24g rifle bullet traveling 290m/s buries itself in a 4.0kg
pendulum hanging on a 3.0m long string, which makes the pendulum
swing upward in an arc.
Determine the vertical and horizontal components of the
pendulum's displacement.
Express your answers using two significant figures. Enter your
answers numerically separated by a comma.

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