Answer:h=19.4 m
Explanation:
Given
mass of automobile 
Initial height of automobile 
Velocity at this instant 
If the car stops somewhere at a height 
Thus conserving total energy we get






So simply it to 120m/m for 120 minutes. So then you multiply 120x120 and that equals 14,400
Answer: Kinetic frictional force = 23.76N
Explanation: Please see the attachments below
<span>Weight is directly proportional to mass.</span>