Subject: Science, asked on 21/5/18

## Q 12 Place do with steps no links

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 ?

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

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

Subject: Science, asked on 21/5/18
Subject: Science, asked on 21/5/18

## Q5 With steps

Subject: Science, asked on 21/5/18

## Q4

Subject: Science, asked on 21/5/18

## Q3

Subject: Science, asked on 21/5/18

## Acceleration defination

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

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

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$°$ and 60$°$ with the time axis, then the ratio of velocities VA : VB will be

Subject: Science, asked on 19/5/18

## Pls answer it urgently.

Subject: Science, asked on 19/5/18

## Pls answer it

Subject: Science, asked on 19/5/18

## Difference between velocity and speed with examples.

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