Determine te z. and yomponents of the bars velocity at its mamun height (when t

Question

Determine te z. and yomponents of the bars velocity at its mamun height (when t “ 2.0 s). Express your answers using two significant figures, separate them with comma. A physics student on Planet Exidor throws ball, and follows the parabolic trajectory shown in (Eigure 1). The bairs position is shown at 1.0 s intervals unti t3.0s. At t = 1.0 s the bars velocity has components uz = 2.2 m/s y,,-1.4 m/s Hints ,zy 2.20 m/s, m/s My Answers Give Up Correct Part B Determine the - and y-oomponents of the bair's velocity at t 0.0s. Express your answers using two significant figures separated by a comma. Figure 1 of Hints 2.0s o2.2,2.4 m/s, m/s 1.0 s 3.0s My Answers Give Up Incorrect: Try Again 0 s Part C 30s. Determine the z-and y components of the bars velooty at t Express your answers using two significant figures, separate them with comma. 0,3 888F

Explanation / Answer

Part B:

Vx= 2.2m/sec

For vy:

At t=1,

vy=v0-gt

So, 1.4=v0-g: g=v0-1.4

And t=2,

v0=2g

So,

v0=2(v0-1.4),

V0= 2.8m/sec

PartE: launch speed = sqrt(vx^2+vy^2)=sqrt(2.2^2+2.8^2)=3.56 m/sec

Part F= Launch angle

arctan(vy/vx)=51.27 deg

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