Problem 1
a) -0.222 m/s (opposite direction to that of fish)b) 26.1 J
Problem 2
4.75 x 107 m
Problem 3
a) 0.170 b) + 1.0 m/s2 (in direction that the 280 N force acts)
Problem 4
a) 11.8 Nb) 31.4 N (upwards)
c) 6.53 rad/s2; direction = out of page
Problem 5
The height of the ball at the goal is 1.05 m which is less than 2.5 m - she shoots, she scores!
Problem 6
a) 30.4 Nb) 62.2%
Problem 7
a) 9.60 Nb) 120 m/s
Problem 8
a) A = 5.38; B = 5.38b) -68.2 ° (below the x-axis)
c) -i + 14j -2k
d) -14
e) -10i -4j -23k