A person rows a boat 4 m/s directly west across a stream that flows south at 3 m/s What is the resultant velocity of the boat as it crosses the river?

Q: An airplane is flying at 120 m/s [NE]. The pilot performs a 180° turn in 60.0 s without changing…

A: The amgnitude initial velocity of the airplane is u=120 m/s The time taken to change the velocity is…

Q: An object is launched straight up at 25m/s.  2 seconds later it is located

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Q: Two motorboats A and B are heading south and east with speeds of 30 m/s and 50 m/s respectively.…

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Q: ball is thrown from top of a building 32 m high. After 2.8 seconds its velocity equals to 20 m/s 30…

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Q: A boat is traveling north from rest for 20 s at an acceleration of 3 m/s'. The boat then turns west…

A: Given : Acceleration=a=3 m/s2 Time for which boat travelled in north direction=tN=20 s Total time of…

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: The figure shows an object projected from the ground with initial velocity v,, which have a…

A: We need to solve for certain parameters in the given figure for the projectile as shown.

Q: An Australian emu is running due north in a straight line at a speed of 13.0 m/s and slows down to a…

A: Velocities,  v1 = 9.4 m/sv2 = 13 m/s Time, t = 2.10 s Time when a becomes constant, t = 2.50 s

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: Multiple-Concept Example 4 deals with a situation similar to that presented here. A marble is thrown…

A: The answer is

Q: 7. Two boathouses are located on a river, 1.0 km apart on the same shore. Two men make round trips…

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Q: A truck travels up a hill with a 11° incline. The truck has a constant speed of 28 m/s. What is the…

A: The expression for find horizontal component of truck's velocity is vx=ucosθ Insert values in the…

Q: Aplane flying horizontally at a height of 500 m with a speed of 720 km/h, releases a bomb from it.…

A: Motion perpendicular are independent of each other. Motion can be uniform or accelerated. Motion is…

Q: Vectors in a opposite directions cancel each other out. What is the velocity of an airplane that…

A: Given Data: The velocity of airplane is v1 = 500 mph. The velocity of wind is v2 = 50 mph. The…

Q: A swimmer heading directly across a river 400 m wide reaches the opposite bank in 3 min 20 s. She is…

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Q: A strong wind blows to the west at a speed of 38.7 mi/h relative to the ground causing a commercial…

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Q: In a projectile motion, the velocity is A B C D always perpendicular to the acceleration never…

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Q: "You're in a bus moving with constant velocity on a level road when you throw a ball straight up.…

A: Solution:- When the ball returns it lands back at your hand.

Q: A student is walking with a constant speed of ??1meters per second along High Street and sees a…

A: Given:Speed of student = v1 m/sDistance between student and puddle = d1 mDistance between student…

Q: If a rock is thrown with an initial velocity of 5.4 m/s in th y-direction and 8.2 m/s in the…

A: velocity in x direction=VX=8.2 m/s velocity in y direction=Vy=5.4 m/s let θ be angle at which rock…

Q: A car drives horizontally off a 56 m tall cliff with an initial speed of 26 m/s. How far from the…

A: Given that:- Velocity of car=26m/s  Height of cliff=56m

Q: Near the end of a marathon race, the first two runners are separated by a distance of 45.0 m. The…

A: Given information:The velocity of first runner (V1) = 3.45 m/sThe velocity of second runner (V2) =…

Q: If a go-kart is moving toward the right direction and then suddenly halts due to traffic, what is…

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Q: Hunter kicks a soccer ball with an initial velocity of 25 m/s at 30o above the horizontal. Which of…

A: In the given scenario, Horizontal component of the acceleration is given by, aX=0 Vertical component…

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

Q: Two trains are passing each other on adjacent tracks. Train A is moving west with a speed of 24 m/s,…

A: Let east is positive direction and west is negative direction

Q: e movement i

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Q: You are driving a car in +y direction in constant speed of 35 m/s. An another car with a constant…

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Q: A movie stunt driver on a motorcycle can fly over a wide ditch with certain angle and initial speed.…

A: Let the initial horizontal velocity of the motorcycle = u Let the width of ditch = w Let the height…

Q: Use this scenario for the next two questions: A projectile is launched from the ground with the…

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Q: A stuffed toy was thrown at 24 m/s horizontally from the bridge 25 m high (above the water) towards…

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Q: A particle's velocity can have both magnitude (speed) and direction which vary as a function of…

A: When particle is moving in circular path with a tangential acceleration , then particle's velocity…

Q: Cian walks towards the front of a boat that is travelling 18 km/h east. If Cian's walks at 3.0 km/h…

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Q: If the velocity of a particle is zero, can the particle's acceleration be zero? Give an example. If…

A: Velocity:- The speed at which an object's position changes in relation to time and a frame of…

Q: A boat on the shore wants to cross the 20 m wide river perpendicular to the current at 4 m / sec.…

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Projectile Motion