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数学

[填空题]
A projectile is launched from ground level uor+mj. d(ery3ll 1hw x5kd9 *to the top of t8i4; ng2zimia cliff which is 195 m away andmt48ing zi; i2 155 m high (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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