A boat traveling moving at 21.00 m/s North is a river. The current in the river is moving west to east at 4.390 m/s. What is the relative velocity of the boat as it travels in the river? Select one: a. 16.61 m/s at 45.00 degrees b. 21.00 m/s at 90.00 degrees c. 21.45 m/s at 78.19 degrees d. 25.39 m/s at 34.00 degrees

A fireman, 50.0 m away from a burning building, directs a stream of water from a fire hose at an angle of 30.0 ° above the horizontal. If the initial speed of the stream is 40.0 m/s, at what height will the stream of water strike the building? a.9.60 m b.18.7 m c.13.4 m d.22.4 m

A wind blowing has an Eastward (X) component of -30 km/h and a Northward (Y) component of 44 km/h. The magnitude of this velocity is O a. -74.00 km/h O b. 14.00 km/h Oc. 53.25 km/h O d. 7.30 km/h

Sheena can row a boat at 3.20 mi/h in still water. She needs to cross a river that is 1.20 mi wide with a current flowing at 1.80 mi/h. Not having her calculator ready, she guesses that to go straight across, she should head upstream at an angle of 25.0° from the direction straight across the river. a.)What is her speed with respect to the starting point on the bank? b.)How long does it take her to cross the river?

An airplane heads due east at 110 m/s through a 25 m/s cross wind blowing from north to south. The resultant velocity of the airplane is a. 112.805 m/s, 12.80° south of east O b. 135 m/s, 12.80° south of east O c. 112.805 m/s, 12.80° east of south O d. 85 m/s, 12.80° south of east If a vector Á has components Ax = -2 and A, = +3, then A lies in the O a. 4th quadrant O b. 1st quadrant O c. 2nd quadrant O d. 3rd quadrant

A boy, who can swim at 2.5km/h in still water, wants toswim directly across a riverand land directly North of their starting point.The current in the river of 2.0 km/h [W].a. What direction must the swimmerhead? [E37°N]b. If the river is 150 m wide, how long willit take them to cross the river? [0.10 h]

Which of the following will reach the highest height? a. A golf ball is hit at an angle of 90° above horizontal with a speed of 80 m/s. b. A golf ball is hit at an angle of 80° above horizontal with a speed of 90 m/s.

A projectile is projected from the origin with a velocity of 30.0 m/s at an angle of 45.0 degrees above the horizontal. What is the range of the projectile? O a. 144 m O b. 91.8 m O c. 48.5 m O d. 86.2 m

Which of the following will reach the maximum range?   a. A golf ball is hit at an angle of 45° above horizontal with a speed of 50 m/s. b. A golf ball is hit at an angle of 50° above horizontal with a speed of 45 m/s.

*62. mmh A ferryboat is traveling in a direction 38.0° north of east with a speed of 5.50 m/s relative to the water. A passenger is walking with a velocity of 2.50 m/s due east relative to the boat. What is the velocity (magnitude and direction) of the passenger with respect to the water? Determine the directional angle relative to due east.