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For number 7 7) A 2.50-kg block is on a 53.0° incline for which Mk = 0.25 and Us = 0.50. Find its acceleration given that: (a) it is initially at rest; (b) it is moving up the slope; (c) it is moving down the slope. Part a b and c I need to draw picture and show all work formula please

For number 7 7) A 2.50-kg block is on a 53.0° incline for which Mk = 0.25 and Us = 0.50. Find its acceleration given that: (a) it is initially at rest; (b) it is moving up the slope; (c) it is moving down the slope. Part a b and c I need to draw picture and show all work formula please

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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For number 7 7) A 2.50-kg block is on a 53.0° incline for which Mk = 0.25 and Us = 0.50. Find its acceleration given that: (a) it is initially at rest; (b) it is moving up the slope; (c) it is moving down the slope. Part a b and c I need to draw picture and show all work formula please
**Problem 7**: A 2.50-kg block is on a 53.0° incline for which the coefficient of kinetic friction \(\mu_k = 0.25\) and the coefficient of static friction \(\mu_s = 0.50\). Find its acceleration given that: (a) it is initially at rest; (b) it is moving up the slope; (c) it is moving down the slope.
Transcribed Image Text:**Problem 7**: A 2.50-kg block is on a 53.0° incline for which the coefficient of kinetic friction \(\mu_k = 0.25\) and the coefficient of static friction \(\mu_s = 0.50\). Find its acceleration given that: (a) it is initially at rest; (b) it is moving up the slope; (c) it is moving down the slope.
**Physics Problem Flow Chart** 1. **Draw a picture** - Label which directions are positive (x- and y-), and label relevant quantities on the diagram. 2. **Draw a second picture...** - If you have before/after situations, force additions, vector component diagrams. 3. **Identify explicitly given values** - Write all given actual numbers in terms of variables. For previously calculated values, use values before rounding for sig figs. 4. **Identify implicitly given values** - Wording that implies specific values: e.g., "at rest," "comes to a stop," "dropped," "smooth surface," "constant velocity." 5. **Identify required quantity and type of problem** - Look for keywords like "when," "how far," "how fast," etc. Get type of problem from quantities given/sought. 6. **Calculate/convert easily derived quantities** - For example, the x- and y-components of velocity/force vectors, or the force of gravity given the mass. 7. **Find relevant equation(s)** - One that links the given quantities to the quantity you need to find. 8. **Find a second equation...** - If you're missing a quantity needed to use an equation. Draw up a plan on how to link the equations & quantities. 9. **Solve for the quantity without using numbers** - First, cancel any quantities that are zero. Use algebra to isolate the quantity you need on one side of the equals sign. Check with dimensional analysis. 10. **Sub in numbers on paper** - Make sure units of each number are correct before you substitute in values into the equations. 11. **Use calculator to find value** - Use as few presses of the "=" or "ENTER" button as possible. Keep extra sig figs until next step. 12. **Write conclusion statement with correct sig figs** - In plain English with correct units.
Transcribed Image Text:**Physics Problem Flow Chart** 1. **Draw a picture** - Label which directions are positive (x- and y-), and label relevant quantities on the diagram. 2. **Draw a second picture...** - If you have before/after situations, force additions, vector component diagrams. 3. **Identify explicitly given values** - Write all given actual numbers in terms of variables. For previously calculated values, use values before rounding for sig figs. 4. **Identify implicitly given values** - Wording that implies specific values: e.g., "at rest," "comes to a stop," "dropped," "smooth surface," "constant velocity." 5. **Identify required quantity and type of problem** - Look for keywords like "when," "how far," "how fast," etc. Get type of problem from quantities given/sought. 6. **Calculate/convert easily derived quantities** - For example, the x- and y-components of velocity/force vectors, or the force of gravity given the mass. 7. **Find relevant equation(s)** - One that links the given quantities to the quantity you need to find. 8. **Find a second equation...** - If you're missing a quantity needed to use an equation. Draw up a plan on how to link the equations & quantities. 9. **Solve for the quantity without using numbers** - First, cancel any quantities that are zero. Use algebra to isolate the quantity you need on one side of the equals sign. Check with dimensional analysis. 10. **Sub in numbers on paper** - Make sure units of each number are correct before you substitute in values into the equations. 11. **Use calculator to find value** - Use as few presses of the "=" or "ENTER" button as possible. Keep extra sig figs until next step. 12. **Write conclusion statement with correct sig figs** - In plain English with correct units.
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