Question

.A car starts from rest and attains a velocity of 10 m/s in 10 sec. The driver applies a break and slows down the car to 5 m/s in 10 sec. Find the acceleration of the car in both the cases.​

Answer 1

Answer:

Tell properly Question

Answer 2

Answer:

V=at

⇒8=a10

⇒a=0.8m/s

2

V

2

=U

2

+2as

⇒U=8

2

+2×a64

⇒a=

2×64

−64

=−0.5m/s

2

Distance travelled= Area of graph

⇒584=

2

1

×10×8+8×t

1

+

2

1

×16×8

⇒584=40+8t

1

+64

⇒8t

1

=480

⇒t

1

=60

Total time= 10+60+16=86s

Explanation:

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