Posted by **Sandhu** on Sunday, October 4, 2009 at 1:57pm.

A particle's initial velocity is given by vox = -1.0 m/s and voy = 3.0 m/s. Its acceleration is ax = 0.50 m/s^2 and ay = -0.90 m/s^2 (a) Calculate its velocity 2.0 s later. (b) Calculate its displacement at that time.

- Physics -
**bobpursley**, Sunday, October 4, 2009 at 2:21pm
I will be happy to critique your thinking.

- Physics -
**Sandhu**, Sunday, October 4, 2009 at 4:23pm
Solve for velocity at 2.0s

vx = v0x + axt

vx = (-1m/s) + (0.5m/s2)(2.0s)

vx = 0m/s

vy = v0y + ayt

vx = (3m/s) + (-0.9m/s2)(2.0s)

vx = 1.2m/s

v = 0m/s(x hat) + 1.2m/s(y hat)

Calculate displacement.

∆x = v0xt + 1/2axt2

∆x = (-1m/s)(2.0s) + 1/2(0.5m/s2)(2.0s)2

∆x = -1m

∆y = v0xt + 1/2axt2

∆y = (3m/s)(2.0s) + 1/2(-0.9m/s2)(2.0s)2

∆y = 4.2m

y = -1.0m(x hat) + 4.2m(y hat)

## Answer This Question

## Related Questions

- PHYSICS I NEED MAJOR HELP PLEEEAAAAAASSSSSSSSSEEEE - If velocity is positive and...
- Calculus - A particle moves with a fixed acceleration of 3 m/s^2. If its initial...
- Please help me with M1 kinematics! - A particle is travelling with velocity (4i...
- physics - The position vector r of a particle moving in the xy plane is r=2ti+...
- physics - You throw a ball toward a wall with a speed of 25m/s and at an angleof...
- Physics - A particle moving with uniform acceleration has initial velocity u. ...
- physical science - A frog jumps at the angle of 60 degrees to horizontal with ...
- physical science - A frog jumps at the angle of 60% to horizontal with initial ...
- Physics - The function ax(t) describes the acceleration of a particle moving ...
- math - A particle moves along straight line such that its displacement S meters...

More Related Questions