Recent content by Cret

Many thanks this helped at lot!

I'm having trouble with this question. Any guidance would be very welcome. I have left the values out because i want to do the maths myself. Data Pressure washer delivers xxx litres per hour of water Pressure xx bar Draws xxxx Watts of power Question a.) Show power in water flow is...

Thanks for the reply Presumably I rearrange F=ma to find the acceleration F = 2000 N m = mass of asteroid? 1.3x10^12 Since the asteroid has an initial velocity of (20,000 m/s) i suppose i should use the following equation (rearranged to find time): d=Vi*t+0.5*a*t^2 Where Vi =...

Homework Statement Hello all, I am really having trouble with following. I want to find the answer myself, but i do not know what equation/s i should apply to solve the problem. My Question. How long will it take to deflect an asteroid on a collision course with Earth by...

Hello all, I am really having trouble with following. I want to find the answer myself, but i do not know what equation/s i should apply to solve the problem. My Question. How long will it take to deflect an asteroid on a collision course with Earth by attaching a 2000N thruster. I...