✨ Best Answer ✨
エネルギー保存則より
mgh=(1/2)mv^2/
v=√(2gh)
=√(2・9.8・40)
=√(4・49・4)
=4・7
=28
ですかね(^^)
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✨ Best Answer ✨
エネルギー保存則より
mgh=(1/2)mv^2/
v=√(2gh)
=√(2・9.8・40)
=√(4・49・4)
=4・7
=28
ですかね(^^)
Users viewing this question
are also looking at these questions 😉
