Question

A car moving with a speed of 40 m/s is brought to halt in 10 seconds. Find the average resistive forced applied in the car.​

Answer 1

Answer:

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Explanation:

Solution:

x=3t−4t2+t3 or d2xdt2=−8+6t

or d2xdt2∣∣∣t=4=16

or x|t=4=12

Work done =F⋅s= mas = 3×10−3×16×12

= 576 mJ.

Answer 2

Explanation:

BlueJ was primarily built to assist with user education on object-oriented programming. The interface supports visual views of classes and coded objects. The idea is that by ordering and organizing visual representations of Java code, these kinds of tools can make programming languages like Java easier to use.