Question

In the latest Indian Jones im Indy is supposed to throw a grenade from his car, which is going 7 km/h. 1o his enemy's car, which is going 103 km/h The enemy's car is 150 min front of the indys when the go of the grenade If indy throws the grande sosi r e tomis atanange of 45" above the hot what should the magnitude of the way be? The cars are both traveling in the same direction on a level roadYou can gora estance Hit The grenade moves in projecte motor, and convert the two valore given in the problem from th e student of P2 Indy rows at orange of the greatested rec o rrendown the dete the grenade is in the This distance is given by vet where ther e welcity of the enemies ar relative to the indy's and is there in the Sove for that the goods in the arms of Use the range equation to the grade distances a function of Set R a w and get 2nd order polynomial for Use queda e n tot This is the magnitude of the vety vector to indy 79.2 AH X Incorrest Try Again temps remaining

Answer 1

APARTA] Velocity of car ; Vc = 71 km/h = 19.7835 Velocity of enemy ear ve = 103 km/h - - 28-611 m/s .. v = ve v - Veet = .889 m/s Time in ain for grenade, to 2 : t= Evo sinus __ . t= 1.414 vo 2 cl همراه * RAVows 45xt R- quo sinus os45 R=ve sin (2x45) Rava Also, R- dt 15 . where du o vaxt + 15

V.² - 1.414 Volvo - 15.g=0 ²- 1.2.57 o 1147.50 = 12.51 € ✓ 18.57²-4 (1) (-15 Vo= 19.9415 m/s hox Tvoz 77.789 kmh - Part-B Now, Relative to Indy, the Vo has isimponents, Vor a 50.762 km/h Voy z 50.762 km/h Relative Voce = to Earth, 50.762 +11 = 121.762 km/h Voy E 501762 km/h - 1 121.769² +50.7688 lucz 132 km/h