What is the power expended when a 17.3 N force pushes a cart 3.9 m in 0.9 seconds?
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Olivia AskewThe power expended is 200.77 watts.
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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.
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.
- An object with a mass of #300 kg# is hanging from an axle with a radius of #3 cm#. If the wheel attached to the axle has a radius of #96 cm#, how much work would it take to turn the wheel a length equal to the circumference of the axle?
- If a spring has a constant of #3 (kg)/s^2#, how much work will it take to extend the spring by #37 cm #?
- A man is using a machine and applying 400 N of force. If the mechanical advantage of this machine is doubled, how much force would he have to apply?
- If a rocket with a mass of 4000 tons vertically accelerates at a rate of # 6/5 m/s^2#, how much power will the rocket have to exert to maintain its acceleration at 11 seconds?
- A spring with a constant of #5 (kg)/s^2# is lying on the ground with one end attached to a wall. An object with a mass of #6 kg# and speed of #12 m/s# collides with and compresses the spring until it stops moving. How much will the spring compress?
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