Engineering Mechanics - Kinematics of Particle (KOP) - Discussion
Discussion Forum : Kinematics of Particle (KOP) - General Questions (Q.No. 1)
1.
A race car starting from rest moves along a straight track with an acceleration as shown in the graph (where for t 
10 s, a = 8 m/s2). Determine the time t for the car to reach a speed of 50 m/s.
Discussion:
16 comments Page 2 of 2.
Abhishek chouksey said:
1 decade ago
Its Simple>
in first 10 sec it reaches only 40 m/s=1/2*10*8(uniform acc)
in next 1.25 sec at constant acc.(v=u+at) it tends to 50 m/s.
in first 10 sec it reaches only 40 m/s=1/2*10*8(uniform acc)
in next 1.25 sec at constant acc.(v=u+at) it tends to 50 m/s.
Sekhar said:
1 decade ago
Actually we want calculate and differentiating function, like ankith what he was explain.
Ankit Kumar said:
1 decade ago
Aishwarya Katale : Actually 40m/s its area under the curve. :-).
Mani said:
1 decade ago
S=1/2 (8+0) 10.
Since initial velocity is zero. My guess.
Since initial velocity is zero. My guess.
Veni said:
1 decade ago
How answer will come? Please explain.
Aishwarya katale said:
1 decade ago
How to calculate 40? which is v?
(1)
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