Friday

April 25, 2014

April 25, 2014

Posted by **seth** on Monday, December 22, 2008 at 1:33pm.

I got part C's initial velocity as 10.05m/s.

Now i want to use y = 10.05sinAt + 4.9t^2

to find t

then use t to find the distance. But how do i find the angle A part C moves at?

- physics -
**drwls**, Monday, December 22, 2008 at 4:56pmThe angle that part C moves at can be figured out by applying a momentum balance.

Initial skyrocket momentum at maximum height = 0

= sum of the momenta of parts A, B and C

The mass of part C is 9.3 - 0.5 - 1.0 = 7.8 kg. Its upward momentum component is the same as part A's but in the opposite direction (up). Its horizontal momentum component is the same as part B's, but to the left.

I am neglecting the momentum of gases released in the separation explosion, but this is probably OK.

**Related Questions**

physics - A 9.3 kg firework is launched straight up and at its maximum height 45...

physics - A 9.3 kg firework is launched straight up and at its maximum height 45...

physics - After several large firecrackers have been inserted into its holes, a ...

Quantative Reasoning College Freshman - Using the formula y=-16t^2+vt+h help me ...

PHYSICS! - A 0.15 kg ball of dough is thrown straight up into the air with an ...

Physics - A 5.0 kg shell is fired vertically upward. At its max height of 350.0 ...

physics - Frank stands at the base of a building. He throws a 0.12kg rock ...

Physics - A projectile is fired up into the air at a speed of 164 m/s at an ...

Physics Gr.11 - Frank stands at the base of a building. He throws a 0.12kg rock ...

physics - A rock, mass = 2.0 kg, is fired straight up at 60 m/s from a catapult...