A 10-kg cart is released from rest with no slack in the cable and with the spring unstrethced. The spring constant is 125 N/m. a. When m=0, the cart travelled 0.663 m before coming to rest. Determine the work done on the spring? Ans. 27.47 J) b. When m=2 kg, the cart travelled 0.349 m before coming to rest. Determine the work done on the spring? Ans. 7.61 J)

I got part B wrong

Need help on finding the values of R_k , R_0 and S . If you can show me how to solve it step by step , thanks in advance .

A football coach walks 12 meters westward, then 16 meters eastward, then 22 meters westward, and finally 6 meters eastward. For this motion, what is the distance moved? Distance (m) = Tap button at left to enter answer using our built-in number pad. |4 1 What is the magnitude and direction of the displacement? Magnitude (m) = Tap button at left to enter answer using our built-in number pad. %3D Dir'n (Tap field to change.) %3D --

(2) 5. Find the least expensive route from a to g in the graph. 1 a 5 42 40 20 f d 45 b 35 75 8 (3) 6. Find the chromatic number and express a coloring of the following graph. b 85 e 55 6 (3) 7. Is this a planar graph? If so, draw a planar representation of the graph. If not, explain why it is not planar. 60 e

6 identical spherical water droplets of radius 22 mm combine to form a single spherical droplet Determine the radius of the combined droplet to 3 significant figures. Part A Iνα ΑΣΦ mm

If for the right triangle shown a = 5.0 and b = 3.0, then what is tan 0? (Note that no attempt has been made to draw the triangle accurately or to scale.) b a