Work done by gravity, lawn mower power, and cart kinematics

[kingsrock783]

Homework Statement

1a) Find the work done by the force of gravity.
Given- Force = 350 Newtons
distance = 2.00
1b) find the power of a lawn mower the time is 30 min and the force is 88 Newtons and the distance is 1.2 km

2a) a 15 kg cart starts from rest, travels 10 meters with a force of 105 Newtons. what is the final velocity?

2b) What is the carts work while pushing down the aisle
2c) what is the carts final kinetic energy?

Homework Equations

P= w/t , KE= 1/2mv^2, w=Fdcos(beta)

The Attempt at a Solution

 

[rock.freak667]

Your attempt at a solution is where now? We can't help you if you don't try