An arrow is aimed horizontally, directly at the center of a target 20 m away. The arrow hits 0. 050 m below the center of the target. Neglecting air resistance, what was the initial speed of the arrow?.

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 human body stores chemical energy from digested food. some of the chemical energy is converted into mechanical energy when the body moves. which statement best supported by this information

True or false graphs must include scales that increase by the same amount