Momentum Practice Questions

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Last updated 4:14 AM on 10/7/26
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9 Terms

1
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<p>Recitation 14</p>

Recitation 14

v = 33.3 m/s, h = 57 m

2
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<p>Recitation 14</p>

Recitation 14

2a. v2f = −1.74 m/s

2b. ∆x = 0.173 m

3
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<p>Recitation 14</p>

Recitation 14

(3a) v1 = 5.42 m/s

(3b) v (combined) = 2.17 m/s

(3c) KEi = 29.4 J, KEf = 11.8 J; not conserved

4
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<p>Recitation 12</p>

Recitation 12

(1a) ∆p = −3.00 kg · m/s

(1b) F = −75.0 N

5
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<p>Recitation 12</p>

Recitation 12

(2a) I = 2.0 N · s

(2b) F = 5.8 × 10^2 N

6
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<p>Recitation 12</p>

Recitation 12

v1f = 3.33 cm/s, v2f = 13.3 cm/s

7
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<p>Recitation 13</p>

Recitation 13

(1a) v2f = 2.50 m/s at 60◦ on the opposite side of the original direction

(1b) Elastic

8
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<p>Recitation 13</p>

Recitation 13

(2a) vf = 1.62 m/s

(2b) θ = 58.6 degrees above the positive x-axis

(2c) 83.0% of the initial kinetic energy is lost (Perfectly inelastic collision)

9
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<p>Recitation 13</p>

Recitation 13

(3a) vB = 2.0 m/s at 30◦ below the horizontal, directly opposite A

(3b) KEtotal = 15.0 J; not conserved, since KEi = 0