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6 Cards in this Set

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(Projectile Motion) Why is the horizontal velocity of an object constant?

As acceleration acts vertically

Define the term velocity

Rate of change of displacement

Define the term acceleration

Rate of change of velocity

Define the term acceleration of free fall

Rate of change of velocity of an object falling in a gravitational field, symbol g

Define the term braking distance

Distance travelled by a vehicle from the time the brakes are applied until the vehicle stops

Define the term displacement

Distance travelled in a particular direction - it is a vector with magnitude and direction