A car is driving around a curve, moving "up" and to the left at a particular moment. Which arrow represents the direction of the velocity?

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?

An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.

Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?