gc physics textbook chapter 3 problems (id: 035bdde78)

本题目来源于试卷: gc physics textbook chapter 3 problems，类别为 IB物理学

[填空题]
A projectile is launched from ground level to ts3dv:g rgtlz f a 6tqd+a7gb6gyynf;63.r r,9he top of a cliff wz+3a )22 gmxeyojcb)q hich is 195 m away and 155 m high (g x e3qm+))c2yao2bjz see
Fig. 3-47). If the projectile lands on top of the cliff 7.6 s after it is fired, find the initial velocity of the projectile (magnitude and direction). Neglect air resistance.



$v_{0}$=    $ \mathrm{~m} / \mathrm{s}$
$\theta$=    $^{\circ}$

参考答案:
空格1: 63±2%  空格2: 66±2% 


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