DP Mathematics: Applications and Interpretation Questionbank

AHL 3.12—Vector applications to kinematics
Description
[N/A]Directly related questions
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21M.2.AHL.TZ1.6a:
Find the velocity vector at time tt.
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21M.2.AHL.TZ1.6b:
Show that the magnitude of the velocity of the ice-skater at time tt is given by
a ebt√(1+b2)aebt√(1+b2).
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21M.2.AHL.TZ1.6d:
Find the magnitude of the velocity of the ice-skater when t=2t=2.
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21M.2.AHL.TZ1.6c:
Find the value of aa and the value of bb.
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21M.2.AHL.TZ1.6e:
At a point PP, the ice-skater is skating parallel to the yy-axis for the first time.
Find OPOP.
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20N.1.SL.TZ0.S_7a:
Find an expression for the velocity of P1P1 at time tt.
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20N.1.SL.TZ0.S_7b:
Particle P2P2 also moves in a straight line. The position of P2P2 is given by r=(-16)+t(4-3).
The speed of P1 is greater than the speed of P2 when t>q.
Find the value of q.
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EXN.1.AHL.TZ0.7a:
Find the speed of the helicopter.
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EXN.1.AHL.TZ0.7b:
Find the distance of the helicopter from the communications tower at t=0.
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EXN.1.AHL.TZ0.7c:
Find the bearing on which the helicopter is travelling.
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EXN.2.AHL.TZ0.7c.i:
Find an expression for the acceleration of the ball at time t.
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EXN.2.AHL.TZ0.7a:
Show that the ball is moving in a circle with its centre at O and state the radius of the circle.
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EXN.2.AHL.TZ0.7b.ii:
Hence show that the velocity of the ball is always perpendicular to the position vector of the ball.
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EXN.2.AHL.TZ0.7b.i:
Find an expression for the velocity of the ball at time t.
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EXN.2.AHL.TZ0.7c.ii:
Find the value of t at the instant the string breaks.
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EXN.2.AHL.TZ0.7c.iii:
How many complete revolutions has the ball completed from t=0 to the instant at which the string breaks?
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21M.1.AHL.TZ1.13a:
Assuming the submarine travels in a straight line, write down an equation for the line along which it travels.
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21M.1.AHL.TZ1.13b.ii:
Find OP.
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21M.1.AHL.TZ1.13b.i:
Find the coordinates of P.
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21N.1.AHL.TZ0.16b:
Find the value of t when the ship will be closest to the lighthouse.
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21N.1.AHL.TZ0.16a:
Find the position vector →OS of the ship at time t hours.
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21N.1.AHL.TZ0.16c:
An alarm will sound if the ship travels within 20 kilometres of the lighthouse.
State whether the alarm will sound. Give a reason for your answer.
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22M.1.AHL.TZ2.16a:
Find the velocity vector of P.
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22M.1.AHL.TZ2.16b:
Show that the acceleration vector of P is never parallel to the position vector of P.
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22M.2.AHL.TZ2.6a.i:
Find the initial speed of the ball.
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22M.2.AHL.TZ2.6a.ii:
Find the angle of elevation of the ball as it is launched.
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22M.2.AHL.TZ2.6d:
For the path of the ball, find an expression for y in terms of x.
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16N.1.AHL.TZ0.H_8a:
find the value of a;
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16N.1.AHL.TZ0.H_8b:
determine the coordinates of the point of intersection P.