# Posts by Sostine

Total # Posts: 7

**Mechanical science**

Aman of 65kg jumps in aswimming from atower of height 19.6m.he was found to go down in water by 2m and started raising up.find the average resistance in water?

**physical**

Aman of 65kg jumps in aswimming from atower of height 19.6m.he was found to go down in water by 2m and started raising up.find the average resistance in water?

**physical**

Surely do you really assist in answering questions,nw is almost 3weeks and no anwers

**physical**

Calculate the time taken for atrain to travel 1000m.if its initial speed 30m/s and has constant acceralation of 0.1m/s^2.

**physical**

Afly wheel is making 180 rev/min and after 20s,its running at 120 rev/min.how many rev will it make and what time would ellapse before it stops. If the retartation is uniform

**physical**

Awheel increases its speed from 45 revolutions per minute to 90 revolutione per minute in 30 seconds.find angular acceralation of the wheel and number of revolution made by this wheel in this 30 seconds.

**physics**

What is speed of light in air