Each laid 250 bricks but while Jake was
still working, Josh was lounging in the
shade. Josh has more power but that
power was only on for 3 hours out of 4.5.
Obviously Josh could get more done is less
time as long as he keeps working. Jake will
get the hang of it soon.
        
             
        
        
        
A) 
     It is a launch oblique, therefore the initial velocity in the vertical direction is zero. Space Hourly Equation in vertical, we have:
 
      Through Definition of Velocity, comes:

B) 
     Using the Velocity Hourly Equation in vertical direction, we have:
 
       The angle of impact is given by:

If you notice any mistake in my english, please let me know, because i am not native.