At peak after explosion V3,1 = (V3;pî m3 = 0.3 kg At peak before explosion m2 = 0.7 kg Vix = (Vix)& V21 = (V2,)1 v = (50.0 m/s)ŷ; m, = 1.0 kg V11 = -(10.0 m/s)f 1,f 40° Launch
At peak after explosion V3,1 = (V3;pî m3 = 0.3 kg At peak before explosion m2 = 0.7 kg Vix = (Vix)& V21 = (V2,)1 v = (50.0 m/s)ŷ; m, = 1.0 kg V11 = -(10.0 m/s)f 1,f 40° Launch
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A projectile of mass 2.0 kg is fired in the air at an angle of 40.0 ° to the horizon at a speed of 50.0 m/s. At the highest point in its flight, the projectile breaks into three parts of mass 1.0 kg, 0.7 kg, and 0.3 kg. The 1.0-kg part falls straight down after breakup with an initial speed of 10.0 m/s, the 0.7-kg part moves in the original forward direction, and the 0.3-kg part goes straight up. a. Find the speeds of the 0.3-kg and 0.7-kg pieces immediately after the break-up.
b. How high from the break-up point does the 0.3-kg piece go before coming to rest?
c. Where does the 0.7-kg piece land relative to where it was fired from?
Transcribed Image Text:At peak after explosion
V3,1 = (V3;pî
m3 = 0.3 kg
At peak before explosion
m2 = 0.7 kg
Vix = (Vix)&
V21 = (V2,)1
v = (50.0 m/s)ŷ;
m, = 1.0 kg
V11 = -(10.0 m/s)f
1,f
40°
Launch
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