Mọi người giúp em với ạ. bài giải ntn ạ

Spend time observing or thinking about events that involve matter and energy. which events can you explain? which events can’t you explain?

In which of the following cases is work being done on an object? question 2 options: pushing against a locked door carrying a box down a corridor pulling a trailer up a hill suspending a heavy weight with a strong

Which subatomic particle has a negative charge