كرة 0.450 kg من السكون إلى 30.0 m/s؛ Favg=135 N. زمن التلامس | TawjihiAI
From the Tawjihi question bank — Physics · الزخم الخطي والتصادمات
الزخم الخطي والدفع question — Physics Tawjihi, with answer
كرة
0.450kg
من السكون إلى
30.0m/s
؛
Favg=135N
. زمن التلامس؟ (مثال ٢)
الزخم الخطي والدفعLevel: Medium
Choices
0.05s
0.20s
0.10s
1.0s
The answer
0.10s
Explanation
I=13.5N⋅s
⇒
Δt=13.5/135=0.10s
.
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