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A wave travels 900 m in 3 s. Find its speed.
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Asked 19 days ago|1/25/2026 8:46:47 AM
Updated 19 days ago|1/25/2026 9:38:45 AM
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User: A wave travels 900 m in 3 s. Find its speed.

Weegy: 900x900= 810,000
Score .8452

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Question
Asked 19 days ago|1/25/2026 8:46:47 AM
Updated 19 days ago|1/25/2026 9:38:45 AM
2 Answers/Comments
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v = d/t = 900/3 = 300 m/s
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Added 19 days ago|1/25/2026 9:38:41 AM
This answer has been confirmed as correct and helpful.
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v = d/t = 900/3 = 300 m/s
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Added 19 days ago|1/25/2026 9:38:44 AM
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Questions asked by the same visitor
A 1.5 kg mass has momentum 9 kg·m/s. Find kinetic energy.
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Question
Not Answered
Updated 19 days ago|1/25/2026 9:00:21 AM
1 Answer/Comment
Given:
m = 1.5 kg
p = 9 kg·m/s
v = p / m
v = 9 / 1.5 = 6 m/s
KE = (1/2)mv²
KE = 0.5 × 1.5 × 6²
KE = 27 J
Added 19 days ago|1/25/2026 9:00:21 AM
This answer has been confirmed as correct and helpful.
A body moves with constant acceleration 2 m/s . If initial velocity is 4 m/s, find velocity after 8 s.
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Question
Not Answered
Updated 19 days ago|1/25/2026 9:01:48 AM
1 Answer/Comment
Given:
u = 4 m/s
a = 2 m/s²
t = 8 s
v = u + at
v = 4 + (2 × 8)
v = 20 m/s
Added 19 days ago|1/25/2026 9:01:48 AM
This answer has been confirmed as correct and helpful.
A stone is projected vertically downward at 5 m/s from a height of 45 m. Find time to reach ground.
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Question
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Updated 19 days ago|1/25/2026 9:01:19 AM
1 Answer/Comment
Given:
u = 5 m/s
s = 45 m
g = 9.8 m/s²
Equation:
s = ut + (1/2)gt²
45 = 5t + 4.9t²
4.9t² + 5t 45 = 0
t = [ 5 + sqrt(25 + 882)] / 9.8
t = 2.56 s
Added 19 days ago|1/25/2026 9:01:19 AM
This answer has been confirmed as correct and helpful.
A 2 kg object moves with angular speed 10 rad/s in a circle of radius 0.5 m. Find centripetal force.
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Question
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Updated 19 days ago|1/25/2026 9:29:27 AM
1 Answer/Comment
F = m r ²
F = 2 × 0.5 × (10)²
F = 100 N
Added 19 days ago|1/25/2026 9:29:27 AM
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A ball rebounds with same speed after hitting wall. What type of collision?
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Question
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Updated 19 days ago|1/25/2026 9:44:49 AM
2 Answers/Comments

A ball rebounding with the same speed after hitting a wall is an example of an elastic collision.

Added 19 days ago|1/25/2026 9:44:31 AM
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Added 19 days ago|1/25/2026 9:44:49 AM
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Deleted by cruz30 [1/25/2026 9:44:54 AM]
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