You have a distance and a time so you can work out the bikes speed which would be distance/time so 40mph.
        
             
        
        
        
Answer:
Ossicles 
Explanation:
Sound causes eardrums to vibrate. These vibrations are then passed on to the ossicles, which is made up of 3 small bones-- the malleus, incus, and stapes. The stapes are connected to the inner ear, specifically to the cochlea which transforms sound waves into electrical signals that are sent to the brain. 
 
        
             
        
        
        
We will have the following:

So, the heat to add is 3611.52 Joules.
 
        
             
        
        
        
Answer:
mass is lifted 1.8 m. What is the potential energy of the mass 4. A 100 kg