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Rajat Dwivedi
Subject: Science
, asked on 21/5/18
Q 12
Place do with steps no links
Answer
1
Nikhil Sinha
Subject: Science
, asked on 21/5/18
1.
3.
Abdul, while driving to school, computes the average speed for his trip to be 20 km
${h}^{-1}$
. On his return trip along the same route, there is less traffic and the average speed is 40 km
${h}^{-1}$
. What is the average speed for Abdul's trip ?
Answer
2
Rajat Dwivedi
Subject: Science
, asked on 21/5/18
Q 10 I want the average speed of the entire journeyplz do and refer to the options
Q10. A train travels the first 15 km at a uniform speed of 30 km/h next 10 km at a uniform speed of 20 km/h and final 75 km at a uniform speed of 50 km/h. The average speed for the entire journey of the train is
(1) 40 km / h (2) 50 km / h
(3) 40 m/s (4) 50 m/s
Answer
1
Rajat Dwivedi
Subject: Science
, asked on 21/5/18
Do Q 10 with steps
Place fast
Q10. A train travels the first 15 km at a uniform speed of 30 km/h next 10 km at a uniform speed of 20 km/h and final 75 km at a uniform speed of 50 km/h. The average speed for the entire journey of the train is
(1) 40 km / h (2) 50 km / h
(3) 40 m/s (4) 50 m/s
Answer
1
Rajat Dwivedi
Subject: Science
, asked on 21/5/18
$Atraintravelsthefirst15kmatauniformspeedof30km/h,next10kmatauniformspeedof\phantom{\rule{0ex}{0ex}}20km/hrandfinal75kmatauniformspeedof50km/he.Theaveragespeedfortheentirejourney\phantom{\rule{0ex}{0ex}}ofthetrainis\phantom{\rule{0ex}{0ex}}1)40km/h2)50km/h\phantom{\rule{0ex}{0ex}}3)40m/s4)50m/s$
Answer
3
Rajat Dwivedi
Subject: Science
, asked on 21/5/18
Q5
With steps
Answer
1
Rajat Dwivedi
Subject: Science
, asked on 21/5/18
Q4
Answer
1
Rajat Dwivedi
Subject: Science
, asked on 21/5/18
Q3
Answer
10
Sumit Kumar Ratra
Subject: Science
, asked on 21/5/18
Acceleration defination
Answer
1
Liza
Subject: Science
, asked on 20/5/18
convert the following temprature to kelin scale. i)-10'c. ii)-273'c. iii)102'c. iv)127'c. v)100'c. please ans as soon as possible
Answer
1
Liza
Subject: Science
, asked on 20/5/18
convert the following tempratures to celcius scale i) 237k. ii) 100k. iii)275k iv)573k. v)470k. please ans as soon as possible
Answer
1
Ayush
Subject: Science
, asked on 19/5/18
Q9 pls answer it urgently
9. If the displacement-time graph for the two particles A and B are straight lines inclined of 30
$\xb0$
and 60
$\xb0$
with the time axis, then the ratio of velocities V
_{A}
: V
_{B}
will be
$\left(A\right)3:1\left(B\right)1:\sqrt{3}\phantom{\rule{0ex}{0ex}}\left(C\right)\sqrt{3}:1\left(D\right)1\hspace{0.17em}:3$
Answer
1
Ayush
Subject: Science
, asked on 19/5/18
Pls answer it urgently.
Answer
2
Ayush
Subject: Science
, asked on 19/5/18
Pls answer it
Answer
1
Sagar Rana
Subject: Science
, asked on 19/5/18
Difference between velocity and speed with examples.
Answer
3
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Place do with steps no links

3.Abdul, while driving to school, computes the average speed for his trip to be 20 km ${h}^{-1}$. On his return trip along the same route, there is less traffic and the average speed is 40 km ${h}^{-1}$. What is the average speed for Abdul's trip ?Q10. A train travels the first 15 km at a uniform speed of 30 km/h next 10 km at a uniform speed of 20 km/h and final 75 km at a uniform speed of 50 km/h. The average speed for the entire journey of the train is

(1) 40 km / h (2) 50 km / h

(3) 40 m/s (4) 50 m/s

Place fast

Q10. A train travels the first 15 km at a uniform speed of 30 km/h next 10 km at a uniform speed of 20 km/h and final 75 km at a uniform speed of 50 km/h. The average speed for the entire journey of the train is

(1) 40 km / h (2) 50 km / h

(3) 40 m/s (4) 50 m/s

With steps

9. If the displacement-time graph for the two particles A and B are straight lines inclined of 30$\xb0$ and 60$\xb0$ with the time axis, then the ratio of velocities V_{A}: V_{B}will be$\left(A\right)3:1\left(B\right)1:\sqrt{3}\phantom{\rule{0ex}{0ex}}\left(C\right)\sqrt{3}:1\left(D\right)1\hspace{0.17em}:3$