{"id":30,"date":"2014-10-12T08:18:55","date_gmt":"2014-10-12T08:18:55","guid":{"rendered":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysu1hwrk\/?page_id=30"},"modified":"2018-05-17T08:37:51","modified_gmt":"2018-05-17T08:37:51","slug":"dynamics-space-exercise-9","status":"publish","type":"page","link":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysu1hwrk\/dynamics-space-exercise-9\/","title":{"rendered":"Dynamics & Space Exercise 9"},"content":{"rendered":"

1. Physical quantities can be categorised as either scalar or vector.<\/p>\n

a) Describe what is meant by a scalar quantity.<\/p>\n

b) Describe what is meant by a vector quantity.<\/p>\n

c) Sort the following into a table with the headings scalar quantity and vector quantity.
\nforce distance displacement velocity speed time<\/p>\n

 <\/p>\n

2. During a race, a car makes 25 complete laps of a course of 5 km.<\/p>\n

a) What is the total distance travelled by the car after 25 complete laps?<\/p>\n

b) What is the resultant displacement of the car after 25 complete laps?<\/p>\n

 <\/p>\n

3. An athlete runs 8 km due west then turns and runs 6 km due north as shown in the diagram.<\/p>\n

\"\"<\/a><\/p>\n

a) What is the total distance that the athlete travelled?<\/p>\n

b) By scale diagram or otherwise, find the resultant displacement of the athlete.<\/p>\n

c) The run was completed in 75 minutes.<\/p>\n

(i) Calculate the average speed of the athlete in km\/h.<\/p>\n

(ii) Calculate the average velocity of the athlete in km\/h.<\/p>\n","protected":false},"excerpt":{"rendered":"

1. Physical quantities can be categorised as either scalar or vector. a) Describe what is meant by a scalar quantity. b) Describe what is meant by a vector quantity. c) Sort the following into a table with the headings scalar quantity and vector quantity. force distance displacement velocity speed time   2. During a race, … Continue reading Dynamics & Space Exercise 9<\/span> →<\/span><\/a><\/p>\n","protected":false},"author":2454,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-30","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysu1hwrk\/wp-json\/wp\/v2\/pages\/30","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysu1hwrk\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysu1hwrk\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysu1hwrk\/wp-json\/wp\/v2\/users\/2454"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysu1hwrk\/wp-json\/wp\/v2\/comments?post=30"}],"version-history":[{"count":6,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysu1hwrk\/wp-json\/wp\/v2\/pages\/30\/revisions"}],"predecessor-version":[{"id":161,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysu1hwrk\/wp-json\/wp\/v2\/pages\/30\/revisions\/161"}],"wp:attachment":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysu1hwrk\/wp-json\/wp\/v2\/media?parent=30"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}