Using a cable with a tension of 1350 N, a tow truck pulls a car 5.00 km along a horizontal roadway. (a) How much work does the cable do on the car if it pulls horizontally? If it pulls at 35.0 above the horizontal? (b) How much work does the cable do on the tow truck in both cases of part (a)? (c) How much work does gravity do on the car in part (a)?
Notes 11/28 Kirkwood Gaps Jupiter T= 12 years Asteroid T= 5 years Close encounter= force from Jupiter The asteroid with T= 5 years is NOT in resonance with Jupiter; its orbit is unaffected Jupiter Asteroid T=6 years Close encounters with Jupiter occur at the same time/place in asteroid’s orbit every time (when T= 6 years). This asteroid is in resonance with Jupiter Energy is added to change asteroid belt Resonance gaps are evidence that Jupiter disturbs the asteroid belt/ no
