If a ball has the weight of 3.76, how much work would it take to lift it 2 meters above the ground? (sorry if this question doesn't have all the components, im bad with physics)

Janelle made a hypothesis bout the uneven temperatures inside her house during winter. she believes that 50% of the ducts are blocked and she plans to investigate. if she wants to prove her hypothesis using scientific processes what should she do next?

The reason a penny thrown straight up inside a bus will come back to your hand is that you,the bus,the air inside the bus, and the penny are all moving at the same velocity. true or false

What are high points of a transverse wave