# Posts by Shivam

Total # Posts: 24

**Science**

person is watching through a window of an apartment sees a ball that rises vertically upward and then vertically down for a total time of 0.5 seconds. if the height of the window is 2 metre, find the max height above the window reached by the ball

**Chemistry**

Determine the molarity of Na2co3 solution given by titration it against M/10 H2So4 solution

**science**

no. of mole in 4.4 g Co2 is ……… .

**Math**

The perimeter of the floor of a room is 18m and its height is 3m. What is the area of 4 walls of the room?

**math**

The area of rhombus is 42 meter square if its perimeter is 24 meter find its altitude

**science**

how will you separatea mixture of common salt,sand and iron fillings?

**Math**

What percent of 1 kg is 5 g ?

**math**

the lenght of rectangle exceeds its breadth are each increased by 3 and the area of the new rectangle is will be 84 cm2 more than that of the give rectangle . find lenght & breadth.

**Physics 1st**

What will be apparent length of a rod 1m long moving with 0.7c

**interoduction of aeronautical engineering**

Others say that the balloon was 23 metres high and 14 metres wide. Calculate the temperature of the air in the balloon (in degrees Celsius) for this situation as well. (Assume the balloon to be spherical, and then elongated by a factor 23/14 in height).

**Math**

The sixth term of an A.P. is 5 times the first term and the eleventh term exceeds twice the fifth term by 3 . Find the 8th term ?

**math**

43%

**math**

A rocket ascends at an angle of 60.0˚ with the horizontal. After 1.00 min it is directly over a point that is a horizontal distance of 12.0 km from the launch point. Find the speed of the rocket.

**physics**

Answer bta do sir

**math**

9.66

**physics**

A projectile is fired with velocity v at angle thita. Find the time when velocity of projectile will make angle 90' with initial direction of velocity?

**physics**

A projectile is fired with velocity v at angle thita. Find the time when velocity of projectile will make angle 90' with initial direction of velocity?

**physics**

A projectile is projected with speed u at an angle alpha on an inclined plane of inclination angle bita. Find time of flight nn inclined plane and maximum height attained by projectile w.r.t. Inclined plane, range of projectile on inclined plane, angle of projection for which ...

**physics**

Slop of trajectory

**physics**

A projectile is lanched om horizontal plane. Variation of slop of trajectory of projectile with time. Where m=0 to1 and t=0 to 10. What will be the horizontal range?

**MATHS,7TH CLASS**

Ad=4.6

**chemistry**

mix the iron filling and sulphate powder and touch with magnet all iron filling attach with magnet.

**Physics**

becos the force is very small i.e.,negligble. hence the G has its very small value

**Math**

5 fishermen catch 5 fish in 5 min so 50 fisharman to catch 50 in 50 min