登入
JAMB - Physics (1994 - No. 2)
A boat travels due east at a speed 40ms
-1
s across a river flow due south at 30ms
-1
s. What is the resultant speed of the boat?
1.3ms
-1
10.0ms
-1
50.0ms
-1
70.0ms
-1
评论 (0)
登录发表评论
广告
允许 javascript 正确加载此页面
