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

Q: 25. The Hōküle'a voyaging canoe is headed due north at a speed of 5 knots. The current is flowing at…

A: speed of the person vp=5 knotsspeed of the current vc=1 knot

Q: 1. A skier leaves the end of a ramp with a velocity of 25.0 m/s 30.0° above the horizontal off a…

A: velocity of skier v = 25m/s and the angle θ = 30° The height of the ramp d = 95m

Q: James is moving at 55ft/sec 25° S of E where he meets a breeze with the velocity of 33ft/sec due…

A:

Q: 7. A cannonball is shot with an initial velocity of 350 m/s off of the top of a cliff that is 75 m…

A: Given: The initial velocity of the cannonball is u = 350 m/s The height of the cliff is h = 75 m The…

Q: A scuba diver dove 4 m under the water and then went down another 8 m. What was the diver's final…

A: Total depth (D) = Initial dive (d1) + Final Dive (d2)

Q: 5. An airplane heading northwest [N45°W] at 500 km/h encounters a wind of 120 km/h from the…

A: The question states that an airplane is heading northwest (N 45°W) at a speed of 500 km/h. It…

Q: An airplane is heading due south at a speed of 590 km/h   . If a wind begins blowing from the…

A:

Q: An airplane heads due south at a speed of 300 km/ h and meets a wind from the west at 100 km/ h.…

A:

Q: H.W: A ball is thrown with an initial speed voat an angle 6 below the horizontal from rooftop 44m…

A: This is the case of projectile motion

Q: A swimmer heading directly across a river 200. m wide reaches the opposite bank in 6.0 min 40. s.…

A: Solution:   Given Values, wide (w) =200 mtime (t) =6 min 40 sec  = 6 min 60 sec1 min+40 secswept…

Q: A projectile is fired with an initial speed of 600 m/sec at an angle of elevation of 60°. Answer…

A: The initial speed of the projectile is 600 m/s.The angle of projection is 60o.

Q: 3. A rocket lifts off its launching pad with a vertical velocity of 20. m/s and horizontal velocity…

A: The magnitude of the resultant velocity is,

Q: find the speed of the current.

A: resultant can be added using parallelogram law

Q: 23. An airplane travels due south at an airspeed of 800 km/h. It encounters a wind blowing at 85…

A:

Q: The Gulf Stream can flow as fast as 3.6 m/s directly north. A ship in the current has a cruising…

A: Given:    Velocity of river, v1 = 3.6 m/s (North)   Speed of ship, v2 = 10 m/s  To determine the…

Q: 6. A cannonball launched at 100 m/s reaches a peak height of 127.55 m and reaches a distance of…

A:

Q: A falcon is flying at a bearing of 199o with an airspeed of 190 miles per hour. The wind is blowing…

A: we need to use vector addition. We can break down the velocity of the falcon and the velocity of the…

Q: A golfer hits a ball and gives it an initial velocity of 40 m/s, at an angle of 30º above the…

A:

Q: A boar charges directly toward a hunter with a constant velocity of 18 m/s. At the instant the boar…

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 car travels along the following paths: i) 40 miles, 53.0° Nof E ii) 60 miles, 25° N of W iii) 50…

A: As per given data, First calculating the net displacement and then we can find the direction of net…

Q: A plane is capable of flying 905 km/h without wind. It flies with a heading of [N 22.0° W]. A wind…

A:

Q: 7. A swimmer able to swim at 2.0 m/sec wants to cross a 100. m wide river that flows at 1.2 m/sec.…

A: Motion is relative to the observer a stationary observer will measure a different speed than someone…

Q: 11. A plane flying for 20 minutes in a 40 km/h wind blowing towards 25° south of east, is over a…

A: Consider  and  be the velocity of the plane with respect to air and ground respectively. Let the…

Q: 16. A plane is traveling with an air velocity of 225 km/h [50.0° N of W] when it experiences a 50.0…

A: Given data: The velocity of the plane is, vp = 225 km/hr The direction of the plane is, θp= 500…

Q: 4. At 12:00 noon, an arctic explorer starts heading back to his base camp located 5.15 km due north,…

A: displacement vector for base camp (d→) = 5.15 km j^d1→ = 6.22 km @15o east of north Let the second…

Q: A football receiver running straight downfield at 5.40 m /s is 11.5 m in front of the quarterback…

A:

Q: You are on an airplane traveling 30° south of due west at 190 m/s with respect to the air. The air…

A: Solution:-

Q: A pilot is set to take off from an airport that has two runways, one at due north and one at 330°. A…

A: Given Data :  Vw = 30 km/h  One runway due north and other is at 330°  To Find :  Parallel and…

Q: Arshia throws a tennis ball up a hill at an angle of 55o above the horizontal at 20 m/s up a hill…

A:

Q: Can someone pls help me solve these im having a hard time solving this.   Elizabeth shoots a…

A:

Q: 4. A swimmer is trying to get across the English Channel. She starts off swimming at 1.75 m/s [W 20°…

A: Step 1:We must compute the vector difference between the swimmer's initial and final velocities in…

Q: A swimmer jumps into a river and swims straight for the other side at 1.5km/h [N] relative to the…

A: The expression for the relative velocity is

Q: Hannah fires a potato from a cannon at the top of a 60.0 m high cliff with a velocity of 25 m/s [53°…

A:

Projectile Motion