Update: part A was: Use conservation of energy to calculate the linear speed of the yo-yo just before it reaches the end of its 1.5 m long string, if it is released from rest. v=1.2 m/s.Follow.e know linear KE=1/2*m*v^2 and rotational KE=1/2*I*w^2 where I is the moment of inertia and in this case it is I=mr^2. So....
We always recommend having at least a couple of thousand pounds of towing capacity in excess of what your trailer weighs, and our 4,300-pound test trailer was probably a fair representation of what people will be towing with a Grand Cherokee.
The iron-block, aluminum-head V6 was the only engine available for 2008. Towing capacity was 5,000 pounds (2,268 kg). Jeep discontinued the Liberty CRD for the American market because it couldn't meet tougher 2007 emissions standards for diesel engines. Transmission choices were both carry-overs: a six-speed manual or a four-speed automatic.