CK-12-Physics - Intermediate

6.3. Energy Conservation http://www.ck12.org FIGURE 6.17 Mechanical energy transformations on a skateboarding half-pipe. Mechani ...

http://www.ck12.org Chapter 6. Work and Energy FIGURE 6.18 KE= 1 2 mv^2 = 1 2 ( 0 .145kg) ( 15 .0m/s^2 ) 2 = 16 .3 J c. Use the ...

6.3. Energy Conservation http://www.ck12.org Notice that the equation in part (c), 1 2 mv (^2) =mgh, can be solved asv (^2) = 2 ...

http://www.ck12.org Chapter 6. Work and Energy FIGURE 6.20 Consider trying to solve this problem using Newton’s Laws. What accel ...

6.3. Energy Conservation http://www.ck12.org FIGURE 6.21 Illustrative Example 5 In this example, we will introduce the effect of ...

http://www.ck12.org Chapter 6. Work and Energy Ei=Ef→KEi+PEi=KEf+PEf+Q Ei= 0 + 1 2 kx^2 and Ef= 0 + 0 +Q=μmgx Therefore;^12 kx^2 ...

6.4. Power http://www.ck12.org 6.4 Power Objectives The student will: Understand how power is defined in physics Be able to sol ...

http://www.ck12.org Chapter 6. Work and Energy FIGURE 6.23 Illustrative Example 1 A jogger of mass 65.0 kg wishes to run up a hi ...

6.4. Power http://www.ck12.org P=F xt =(mgsintθ)(x)=mg(xtsinθ)=mght =mg (h t ) =mgv Note:h=xsinθ,v=ht The average vertical speed ...

http://www.ck12.org Chapter 6. Work and Energy ( 240 km h )( 1000 m 1 km )( 1 h 3600 s ) = 66. 666 = 66 .7 m/s The power the eng ...

6.4. Power http://www.ck12.org The conservation of mechanical energy can be written as:KEi+PEi=KEf+PEf In the presence of dissi ...

http://www.ck12.org Chapter 6. Work and Energy 6.5 References Vik Walker. http://www.flickr.com/photos/eidoloon/2570238282/. CC ...

http://www.ck12.org CHAPTER (^7) Momentum Chapter Outline 7.1 Momentum 7.2 IMPULSE 7.3 CONSERVATION OFMOMENTUM ANDCENTER OFMASS ...

http://www.ck12.org Chapter 7. Momentum 7.1 Momentum Objectives The student will: Know how momentum is defined Be able to solve ...

7.1. Momentum http://www.ck12.org FIGURE 7.3 50-kg moving 3.0 m/s. Check Your Understanding What momentum do the football player ...

http://www.ck12.org Chapter 7. Momentum FIGURE 7.5 A 0.074-kg mouse. In order to find the velocity of the mouse we equate their ...

7.1. Momentum http://www.ck12.org FIGURE 7.6 (A) Ball caught by catcher. (B) Batter bunting ball. The change in momentum of the ...

http://www.ck12.org Chapter 7. Momentum pf=mvf=m(−vi) = ( 0 .145 kg)(− 46 .9 m/s) =− 6. 81 kg·m s The change in momentum of the ...

7.2. Impulse http://www.ck12.org 7.2 Impulse Objectives Students will learn the meaning of impulse force and how to calculate bo ...

http://www.ck12.org Chapter 7. Momentum FIGURE 7.8 Impulse experienced by ball. The graph on the right shows that the force on t ...