4. an object is moving with an initial velocity of 9 m/s. it accelerates at a rate of 1.5
m/s over a distance of 20 m. what is its new 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?

In science and physics what is the standard unit of measure for speed?

Photons with the highest energy have the longest period