What is v(bar) in s=v  ̅t - The average velocity, All equations of motion will involve motion in a ____________ line - straight, A distance time graph with a line that has a positive gradient indicates - a constant positive velocity, A velocity time graph with a horizontal line indicates - a constant velocity, A velocity time graph with a positive gradient indicates - a constant positive acceleration, A velocity time graph with a negative gradient indicates - a constant deceleration (or negative acceleration), An acceleration time graph with a horizontal line indicates - A constant acceleration, An acceleration time graph with a horizontal line along the x-axis indicates - Zero acceleration (the object is in constant motion or at rest), The equation to find the acceleation of an object where the initial and final velocities as well as the distance travelled are known is - v2 = u2 + 2as, The equation for find the distance travelled when the time of travel, the acceleration and the initial velocity are known is… - s = ut + 1/2 at2, How far did a cyclist accelerating from rest go when they accelerated for 5 seconds at 4 ms^-2 - 50 m, What was the acceleration of a car which took 8 seconds to go from 5 m/s to 21 m/s - 2 m s-2, The area under a velocity time graph is equivalent to - the total distance travelled, A trolley with a card of width 10.0 cm passes through a light gate in 0.25 s. How fast was it travelling - 0.40 m/s, What measurement is required in an experiment with light gates at the top and bottom of a ramp, both measuring velocity, in order to determine the average acceleration down the ramp? - The time taken between the top and bottom light gates OR distance between two light gates, In the experiment with one light gate determining the instantaneous acceleration of a trolley down a ramp what does the leading part of the mask allow to be calculated? - The initial velocity, u, in m/s, In the experiment with one light gate determining the instantaneous acceleration of a trolley down a ramp what does the gap in the mask allow to be calculated? - The time between u and v, the initial and final velocities, In the experiment with one light gate determining the instantaneous acceleration of a trolley down a ramp what does the final part of the mask allow to be calculated? - The final velocity, v, in m s-1, A car travels 3 kilometres east and then four kilometres south in 3o minutes. What is its average speed? - 14 km/h or 3.9 m/s, A car travels 3 kilometres east and then four kilometres south in 3o minutes. What is the magnitude of its velocity? - 10 km/h or 2.8 m/s, A car travels 3 kilometres east and then four kilometres south in 3o minutes. What is the direction of its average velocity? - 143 degrees - three figure bearing, or 53 degrees south of east, What is the displacement of a plane travelling north west at 400 km/h for 2 hours - s = 800 km North west, What is the distance travelled by a train that travels from Aberdeen to Dundee in 1 hour and 10 minutes. The rail distance is 93 km. What was the average speed? - 80 km/h or 22 m/s, A person walks 500 m due south and then 800 m due north. What distance have they walked? - d = 1300 m, A person walks 500 m due south and then 800 m due north. What is their displacement? - s = 300 m north, A farmer crosses her rectangular field walking 600 m along one border then turning 90° and walking 800 m to the opposite corner from where she started. What is her displacement? - 1000 m at an angle of 53 degrees from the first direction, A farmer crosses her rectangular  field walking 600 m along one border then turning  90° and walking 800 m to the opposite corner from where she started. What distance did she walk? - 1400 m, A farmer crosses her rectangular field walking 600 m along one border then turning 90° and walking 800 m to the opposite corner from where she started, She then returns to her starting point along the diagonal. What is her displacement? - 0 m, A farmer crosses her rectangular  field walking 600 m along one border then turning 90° and walking 800 m to the opposite corner from where she started, She then returns to her starting point along the diagonal. What distance did she walk? - 2400 m, A farmer crosses her rectangular  field walking 600 m along one border then turning 90° and walking 800 m to the opposite corner from where she started. It takes her 23 mins and 20 seconds. What is her average speed? - 1.0 m s-1, A farmer crosses her rectangular field walking 600 m along one border then turning 90° and walking 800 m to the opposite corner from where she started. It takes her 23 mins and 20 seconds. What is her average velocity? - 0.71 m s-1 at 53 degrees from the original direction of walking, A farmer crosses her rectangular field walking 600 m along one border then turning 90° and walking 800 m to the opposite corner from where she started, She then returns to her starting point along the diagonal. It takes her 49 minutes. What is her average velocity? - 0 m s-1, A farmer crosses her rectangular  field walking 600 m along one border then turning 90° and walking 800 m to the opposite corner from where she started, She then returns to her starting point along the diagonal. It takes her 40 minutes. What is her average speed? - 1.0 m s-1,

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