# What is the speed of an object that travels from #( 1, -2, 3 ) # to #( -5, 6, 7 ) # over #4 s#?

Therefore the speed of the object by definition would be the rate of change in distance and given by

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The speed of the object is 4.5 m/s.

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

- To unload the truck, the man pushes the crate down the ramp, which is now angled at 13°, using a force of 503N. What is the acceleration of the crate down the ramp?
- A projectile is shot from the ground at a velocity of #7 m/s# and at an angle of #(7pi)/12#. How long will it take for the projectile to land?
- An object's two dimensional velocity is given by #v(t) = ( t^2 +2t , 2cospit - t )#. What is the object's rate and direction of acceleration at #t=5 #?
- What is the difference between distance and displacement?
- An object is at rest at #(9 ,7 ,3 )# and constantly accelerates at a rate of #1/4 m/s^2# as it moves to point B. If point B is at #(6 ,3 ,2 )#, how long will it take for the object to reach point B? Assume that all coordinates are in meters.

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