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galben [10]
3 years ago
13

The chances of being involved in a fatal crash is higher at night then during the day

Physics
1 answer:
Ierofanga [76]3 years ago
3 0
Indeed because some leave headlights off and ignore that fact since there are street lights around.
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A painter stands a horizontal platform which has a mass of 20kg and is 5m long, the platform is suspended by two vertical ropes
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Answer:

R = 715.4 N

L =  166.6 N

Explanation:

ASSUME the painter is standing right of center

Let L be the left rope tension

Let R be the right rope tension

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Sum moments about the right end to zero

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L =  166.6 N

We can verify by summing vertical forces

116.6 + 715.4 - (70 + 20)(9.8) ?=? 0

                                             0 = 0  checks

If the assumption about which side of center the paint stood is incorrect, the only difference would be the values of L and R would be swapped.

5 0
3 years ago
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