How do you explain the differences in the work along the plane and the work through the vertical height?

When a 5.0kg cart undergoes a 2.2m/s increase in speed, what is the impulse of the cart

Multiply or divide to make this english distance conversion. 174 inches = feet (14.5, 58, 2,088, 23)

An electron in an x-ray machine is accelerated through a potential difference of 1.00 × 104 v before it hits the target. what is the kinetic energy of the electron in electron volts?