How to Calculate Acceleration on an Inclined Slide?

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To calculate Kim's acceleration on the inclined slide, first determine the gravitational force acting on her and the frictional force opposing her motion. The frictional force can be calculated using the coefficient of friction and the normal force. Subtract the frictional force from the gravitational force component along the slide to find the net force. Finally, apply Newton's second law (F=ma) to find Kim's acceleration by dividing the net force by her mass. This method is similar to the approach for the polar bear's problem.
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1) Kim the 55kg lifeguard slides down a water slide that is inclined at an angle of 35degree to the horizontal into the community swimming pool. Ifthe coefficient of the friction of the slide is .050 what is kims rate of acceleration as she slides down?

there is another problem

2) At sea world a 900 kg polar bear slides down a wet slide inclined at an angel of 25degree to the horizontal. The coefficient of friction between the bear and the slide is .050. What frictional force impedes the bears motion down the slide?

I can do number 2 but number one i don't know how to find the acceleration. Do i do the same as number 2 then minus the impede force by the Fn or Fapp then divide by the mass? PLz help thanks
 
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ecyka2000 said:
I can do number 2 but number one i don't know how to find the acceleration. Do i do the same as number 2 then minus the impede force by the Fn or Fapp then divide by the mass? PLz help thanks

If I understand what you're asking, yes. Take the force of her sliding down the slide, minus the frictional force. Then apply Newton's second law.
 
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