A level mechanics
A van is travelling at 14 ms-1 along a straight road. At time t = 0, the van passes a car, which then sets off from rest travelling in the same direction as the van. The car accelerates uniformly to a velocity of 18 ms-1 in 20 seconds and then maintains this speed.
Draw a velocity time graph to show the motion of the van and the car & use it to find the number of seconds after setting off that the car overtakes the van.
Draw a velocity time graph to show the motion of the van and the car & use it to find the number of seconds after setting off that the car overtakes the van.
Original post by cool11111111111
A van is travelling at 14 ms-1 along a straight road. At time t = 0, the van passes a car, which then sets off from rest travelling in the same direction as the van. The car accelerates uniformly to a velocity of 18 ms-1 in 20 seconds and then maintains this speed.
Draw a velocity time graph to show the motion of the van and the car & use it to find the number of seconds after setting off that the car overtakes the van.
Draw a velocity time graph to show the motion of the van and the car & use it to find the number of seconds after setting off that the car overtakes the van.
Displacement of the point where they meet is the same, and the time is the same so I tried simletaneous equations to find out what these values are. I don't think this is giving the right answer
(edited 1 year ago)
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