A boat is moving atv12kph is crossing a river 500 m wide in which a current is flowing at 4 kph. What must be its direction west of north for it to reach a point on the other side of the river from its starting point? What is the value of the velocity of the boat relative to the water?

Q: On a day when the wind is blowing toward the north at 7 m/s, a runner jogs west at 7 m/s. What is…

A:

Q: 7 The following data were collected for two verticals in a stream at a gauging station. Compute the…

A: Given,               Current meter equation;                 v=0.7 N +0.031)  Mid…

Q: A small, battery-powered, electric motorboat that can travel at a speed of 2.45 m/s in still water…

A: Given:-             From the below given diagram  V→BW = velocity of boat relative to water V→BG…

Q: Felipe is on a train going south at 30 meters per second. At one point, he passes a train that is…

A: Given,  Felip is on a train going south at = 30 m/s At one point, he passes a train, that is…

Q: resultant velocity of Rosa's boat (relative to the banks)?

A: First picture the scenario in mind. We are given in the first case that Rosa's boat is paddling…

Q: A boat is aimed at the opposite shore of a 318.38 m wide river and rowed at a speed of 5.61 m/s…

A:

Q: Sam moves South for 1200km then he turns 70° S of E for 500km. What is his direction and…

A: Consider the diagram for the position of San as follows.

Q: suppose a boat moves at 19.8 m/s relative to water. If the boat is in the river with the current…

A: Given : Velocity of boat relative to water (vbw) = 19.8 m/s Velocity of water relative to ground…

Q: At noon, ship A is 170 km west of ship B. Ship A is sailing east at 40 km/h and ship B is sailing…

A:

Q: A plane is flying due west at 275 km/h and encounters a wind from the west at 80 km/hr. What is the…

A: Given data:  Velocity of plane (vp) = 275 km/h, due West  Velocity of wind (vw) = 80 km/hr, from…

Q: An athlete crosses a 28 meters wide river by swimming perpendicular to the water current at a speed…

A: The objective of this question is to find the speed of the water in the river flowing with respect…

Q: A sailboat capable of travelling  5 m/s while crossing the Gulf Stream current, which is moving 2…

A: Given that:- Speed of water current=2m/s due north

Q: ferry boat has a still water speed of 9.8 km/hrs. Its helmsman steers the boat due north across a…

A:

Q: a

A:

Q: A man riding in a hot air balloon will release food items to stranded families in an sland 250…

A: Motion of projectile can be divided into x component and y component.

Q: An electric skateboarder is travelling west on a path along the river at 4m/s. A brisk walker on the…

A: let initial position of walker is (0,0)than initial position of skateboarder (200,40)velocity of…

Q: Two cars are traveling in the same direction, Car A (60km/h) in front of Car B (40km/h). What is the…

A: In this case, both Car A and Car B moving in the same direction.   The speed of Car A, VA=60 km/h…

Q: Sarah is traveling 22km due South. She turns 20° S or E for 16km. She then turns due N for 40km, she…

A:

Q: A fire hose ejects a stream of water at an angle of 35° above the horizontal with a speed of 25 m/s.…

A: Given data: Initial velocity (u) = 25 m/s Angle (θ) = 35°, above the horizontal Required: The…

Q: A boat moves at a rate of 2.5 km/hr in still water, what will be its resultant velocity if it heads…

A:

Q: You have a summer job working for a University research group investigating the causes of the ozone…

A: Time taken to launched the rocket is tlift = 30 s Total flight time t = 5 minutes = 300 s Time taken…

Q: A river 279 m wide flows at a uniform 2.8 m/s east. Mary can row her boat at a constant speed of 3.5…

A: Given The width of the river is d=279m the velocity of the river in the east direction is vr=2.8m/s…

Q: An athlete crosses a 29 m wide river by swimming perpendicular to the water current at a speed of…

A:

Q: Swimming at 1.00 m/s relative to still water, a swimmer heads directly across a river of width 90 m.…

A:

Q: At 12 am, train A sets off due west at a fixed speed of s mph. Train B sets off due east from the…

A: Given:Speed of train A due west from the station at 12 am = s mphSpeed of train B  due east after 2…

Q: A cyclist traveling southeast along a road at 15 km/h feels a wind blowing from the southwest at 25…

A: Vwc is the velocity of wind relative to the cyclist  in the south west and Vcr is the velocity of…

Q: hips A and B leave port together. For the next 2 hours, ship A travels at 29 mph in a direction 40°…

A: Consider the vector representation of the given arrangements of the ships.

Q: 11. A frog sits at point A on one side of a stream. He wants to swim to a lily pad at point B on the…

A:

Q: A boat sails crosses a river going east at 7.0m/s. The current is taking the boat north at 4.0. What…

A:

Q: A small, battery-powered, electric motorboat that can travel at a speed of 1.95 m/s in still water…

A: Given : Speed of the motorboat  , vB=1.95 m/s Speed of the river  , vR=1.35 m/s Width of the river,…

Q: A swimmer heading directly across a river 200 m wide reaches the opposite bank in 3 min 20 s. She is…

A:

Q: A swimmer headsheads directly across a river, swimming at 1.32 m/s relative to the water. She…

A:

Q: a plane is flying at 36.0 degrees south of west at 150 mph and encounters a wind from 75 degrees…

A: New velocity vector will be sum of original velocity of plane and wind Diagram:

Q: Two ships are moving along a line due east as shown in the figure. The trailing vessel has a speed…

A:

Q: A swimmer is capable of swimming 0.74 m/s in still water.  She wants to arrive at a point directly…

A:

Q: A boat can travel 2.3 m/s in still water. If the boat travels across a stream whose current is 1.2…

A: Given   v1 = 2.3m/s  v2 = 1.2 m/s

Projectile Motion