1. Physical Science Review for Period Exam I<br />Bring your calculator and your ruler to use during the exam.<br />Study vocabulary from each section including longitude and latitude.<br />Section 1.1C Motion<br />Relative Motion<br />Give an example of relative motion and mention the motion that is<br />taking place depending on your frame of reference.<br />Vector and Scalar <br />Draw examples of vector quantities and scalar quantities.<br />Draw a vector for each quantity, give the scale you used.<br />120km/h[N] 81km[W] 45m/s[E]<br />Section 1.2C Speed<br />S= d<br /> t<br />Find the speed of an object that travels 16m in 2 seconds.<br />d=S·t<br />Find the distance covered by an object when moving at 90km/h in 3h. <br />Show units cancellation.<br />t=d<br /> S<br />Find the time taken by an object when moving at 45m/s covering a distance of 135m. Show units cancellation.<br />Distance-Time graph<br />98234515240<br />Find the speed of the object during the 0s – 6s time interval.<br />Find the speed of the object during the 6s – 11s time interval<br />What is the object doing during the 6s – 11s time interval?<br />Compare and contrast Speed and Velocity<br />1.3C Acceleration<br />Ways in which acceleration can change:<br />*When velocity increases<br />*When velocity decreases<br />*When direction changes<br />a=Vf – Vi<br /> t<br />Find the acceleration of an object with an initial velocity of 30m/s, a final velocity of 75m/s for 9 seconds.<br />Vf=a·t + Vi<br />Find the final velocity of an object moving with an acceleration of 5m/s2,<br />an initial velocity of 15m/s during 2 seconds. Show units cancellation<br />t=Vf – Vi<br /> a<br />Find the time taken by an object moving with an initial velocity of 42m/s, a<br />final velocity of 177m/s and an acceleration of 9m/s2. Show units cancellation.<br />Velocity-Time graph<br />Find the acceleration of the object during the 3s – 11s time interval.<br />Find the acceleration of the object during the 11s – 16s time interval.<br />What is the object doing during the 11s – 16s time interval?<br />