# Which has a greater effect on the kinetic energy of an object: mass or velocity? Why?

Velocity

Hence, the answer.

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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.

- A truck pulls boxes up an incline plane. The truck can exert a maximum force of #4,000 N#. If the plane's incline is #pi/3 # and the coefficient of friction is #2/3 #, what is the maximum mass that can be pulled up at one time?
- A box with an initial speed of #6 m/s# is moving up a ramp. The ramp has a kinetic friction coefficient of #9/5 # and an incline of #( 5 pi )/12 #. How far along the ramp will the box go?
- An object with a mass of #5 kg# is acted on by two forces. The first is #F_1= < 1 N , 4 N># and the second is #F_2 = < 5 N, 2 N>#. What is the object's rate and direction of acceleration?
- A mover pushes a 30.0 kg crate across a wooden floor at a constant speed of 0.75 m/s. If the coefficient of static friction for wood-on-wood is 0.20, how much force does the mover exert on the crate?
- An object with a mass of # 12 kg# is lying still on a surface and is compressing a horizontal spring by #1 m#. If the spring's constant is # 2 (kg)/s^2#, what is the minimum value of the surface's coefficient of static friction?

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