Question

Two aircraft leave an
airfield at the same time. One travels due north at an average
velocity of 84 m s^{-1} and the other travels due east at
an average velocity of 70 m s^{-1}. Calculate the distance
between the planes after 6 hours. Give your answer in km, to the
nearest km.

Answer km

Answer #1

Two cars leave the same point at the same time. One travels east
at 50 mph, while the other travels north at 80 mph. How fast are
the cars moving away from each other after 2 hours

Two planes leave a point at almost the same time. One travels
north at 240 mph, the other southeast at 300 mph.
How long before they are 250 miles apart?

A convertible and a minivan leave a highway junction at the same
time. The convertible travels west at 60 miles per hour and the
minivan travels north at 50 miles per hour. Assuming the two
vehicles do not deviate off course, how far apart are they after 4
hours?
Distance Apart =

Ships A and B leave port together. For the next 4 hours, ship A
travels at 35 mph in a direction 40 degrees east of north while
ship B travels 70 degrees north of west at 25 mph. What is the
distance, in mi, between the two ships 4 hours after they
depart?

7. Two cars start moving from the same point. One travels north
at speed of 15 mi/hand the other travels east at 20 mi/h. At what
rate is the distance between the cars increasing two hours
later?

Two ships leave a harbor at the same time. One ship travels on a
bearing S10°W at 12 miles per hour. The other ship travels on a
bearing N75°E at 10 miles per hour. How far apart will the ships be
after 3 hours?

During a one-hour trip, a small boat travels 80.0 km
north and then travels 60.0 km east. The average velocity of the
boat was 100 km/h.
True or false
If a body is moving in uniform motion, then there are no
external forces acting on the body.
True or false
The force due to air resistance always opposes the
direction of motion.
True or false

Ships A and B leave port together. For the next two hours, ship
A travels at 24 mph in a direction 30 degrees west of north while
ship B travels 28 degrees east of north at 29 mph .
a)What is the distance between the two ships two hours after
they depart?
b) What is the speed of ship A as seen by ship B?

Ships A and B leave port together. For the next two hours, ship
A travels at 40.0 mph in a direction 25.0 ∘ west of north while the
ship B travels 70.0 ∘ east of north at 30.0 mph.
A) What is the distance between the two ships two hours after
they depart?
It's NOT 56.67 miles
B) What is the speed of ship A as seen by ship B?

Two canoeists start paddling at the same time and head toward a
small island in a lake, as shown in the figure (Figure 1). Canoeist
1 paddles with a speed of 1.55 m/s at an angle of 45 ∘ north of
east. Canoeist 2 starts on the opposite shore of the lake, a
distance of 1.5 km due east of canoeist 1.
a. In what direction relative to north must canoeist 2 paddle to
reach the island?
b. What speed...

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