Calculating Work Done by Gravity on a Sliding Snowboarder | Ramp Angle of 19°

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In summary, a snowboarder with a mass of 85 kg slides down a trail consisting of a ramp with a 19 degree angle and a flat portion. Using the equation PEg=mgh, the work done by gravity on the snowboarder can be calculated by finding the decrease in gravitational potential energy as the snowboarder travels from the beginning to the end of the trail. The given figure shows a height of 44 m for the trail.
  • #1
jabbie3
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Homework Statement



A snowboarder of mass 85 kg slides down the trail shown in the figure below. The first part of the trail is a ramp that makes an angle of 19degrees with the horizontal, and the final portion of the trail is flat. Find the work done by gravity on the snowboarder as she travels from the beginning to the end of this trail. For the figure use h = 44 m.

https://chip.physics.purdue.edu/protected/GiordanoMimg/chapter6/06P10.jpg

Homework Equations



I am really clueless

The Attempt at a Solution



Again, clueless, i really need help with this..thanks
 
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  • #2
Dang that is one awesome picture.

Do you know the equation for potential energy due to gravity?
 
  • #3
Yes.. Isnt it PEg=mgy
 
  • #4
The work done by gravity is the decrease in gravitational potential energy, mgh.
 
  • #5
Thanks guys! I didnt think it was that easy.. :blushing:
 

What is a "Sliding snowboarder"?

A "Sliding snowboarder" refers to a person who is using a snowboard to slide down a snowy slope or terrain.

What are the different types of sliding snowboarding?

Some common types of sliding snowboarding include freestyle, freeride, and alpine snowboarding. Freestyle involves performing tricks and stunts, freeride focuses on riding in natural terrain, and alpine snowboarding involves high-speed carving on groomed slopes.

What equipment is needed for sliding snowboarding?

The essential equipment for sliding snowboarding includes a snowboard, boots, bindings, and appropriate clothing for protection from the cold and snow. Optional equipment may include goggles, gloves, and a helmet.

What are some safety precautions for sliding snowboarding?

To ensure a safe snowboarding experience, it is important to always wear appropriate protective gear, follow the rules of the mountain, and check weather and slope conditions before heading out. It is also important to stay within your skill level and to avoid areas that are marked as off-limits or dangerous.

What are some benefits of sliding snowboarding?

Sliding snowboarding is a great form of physical activity that can improve balance, coordination, and overall fitness. It is also a fun and exciting way to enjoy the outdoors and explore new terrain. Additionally, it can provide a sense of accomplishment and adrenaline rush when mastering new tricks and challenging slopes.

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