A boat leaves a dock at 2:00 PM and travels due south at a speed
of 15 km/hr.
Another boat has been heading due east at 20 km/hr and reaches the
same dock at
3:00 PM. How many minutes after 2:00 PM were the two boats closest
together?
A fishing boat leaves a dock at 2:00pm and travels due east at a
speed of 20km/h. Another boat has been heading due north at 15 km/h
and reaches the same dock at 3:00pm. At what time were the two
boats closest together?
An airplane is heading due south at a speed of 680 km/h .
A. If a wind begins blowing from the southwest at a speed of 90
km/h (average), calculate the velocity (magnitude) of the plane
relative to the ground.
B. Calculate the velocity (direction) of the plane relative to
the ground.
C. Calculate how far from its intended position will it be after
18 min if the pilot takes no corrective action.
A boat leaves the harbor entrance and travels 27 miles in the
direction ??? ° ?. The captain then travels for another 16 miles in
the direction ??? ° ?, which is the boat’s final position. How far
is the harbor entrance from the boat’s final position? What is the
bearing of the boat from the harbor entrance? Round your answers to
the nearest WHOLE numbers.
A boat leaves its home port in search of fish and travels 35 km
at 30o S of E, then 10 km due S, then 50 km due E and finally 12 km
at 20o N of E. Having failed to find any fish, the crew throws the
captain overboard and decides to turn home. a. (/4) If the boat is
to sail straight home to port, what direction should it sail and
how far will it have to travel?...
A small boat with a speed of 23km/h relative to the water is
sailing in a sea which has a speed of 15 km/h relative to the shore
in a direction E 16 N. What direction is the boat heading
(relative to the water) if it is going in a direction N 32.7 E
(relative to the shore)?
Hint: Suggested steps: Interpret the situation in terms of the
relative velocity equation, indicating the meaning of all the
subscripts. Draw a...
A) A car travels at a constant speed of 32.5 mi/h (14.5 m/s) on
a level circular turn of radius 49.0 m, as shown in the bird's-eye
view in figure a. What minimum coefficient of static friction,
μs, between the tires and the roadway
will allow the car to make the circular turn without sliding?
B) At what maximum speed can a car negotiate a turn on a wet
road with coefficient of static friction 0.215without sliding out
of control?...
1) A strong wind blows due east with a
constant speed of 50mph. An airplane
travels from one city to another which is due north, moving with a
speed of 130mph relative to the air. What
isthe speed of the airplane relative to the ground?
EXPLAIN the answer please
2) A constant force is exerted on air track cart that is
initially at rest on a horizontal air track. Friction between the
cart and track is negligible. The force act...
A woman sailing a boat at night is following directions to a
dock. The instructions read to first sail 27.5 m in a direction
66.0o north of east from her current location, and then travel 30.0
m in a direction 112o north of east (or 22.0o west of north). If
the woman makes a mistake and travels in the opposite direction for
the second leg of the trip, where will she end up? Compare this
location with the location of...
Two cars start moving from the same point. One travels south at
56 mi/h and the other travels west at 42 mi/h. At what rate is the
distance between the cars increasing three hours later?b\