L=200m 25° Problem 1: A car having a mass of 1000 kg accelerates from 20 km/h to 80 km/h on a steep uphill road. The car travels 200 meters along the road during the acceleration. The slope of the road from horizontal is 25". Perform the following analysis: a. Find the change in kinetic energy of the car in kJ. b. Find the change in potential energy of the car in kJ.

Structural Analysis
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25°
L=200m
Problem 1: A car having a mass of 1000 kg accelerates from 20 km/h to 80 km/h on a steep uphill road. The
car travels 200 meters along the road during the acceleration. The slope of the road from horizontal is 25".
Perform the following analysis:
a. Find the change in kinetic energy of the car in kJ.
b.
Find the change in potential energy of the car in kJ.
c. Find the work done by the engine in kJ. (Neglect losses such as those due to friction.)
Transcribed Image Text:25° L=200m Problem 1: A car having a mass of 1000 kg accelerates from 20 km/h to 80 km/h on a steep uphill road. The car travels 200 meters along the road during the acceleration. The slope of the road from horizontal is 25". Perform the following analysis: a. Find the change in kinetic energy of the car in kJ. b. Find the change in potential energy of the car in kJ. c. Find the work done by the engine in kJ. (Neglect losses such as those due to friction.)
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