In the absence of air resistance, a projectile that lands at the elevation from which it was launched achieves maximum range when launched at a 45° angle. Suppose a projectile of mass m is launched with speed vo into a headwind that exerts a constant, horizontal retarding force -Frindi. wind=

Q: A polka-dotted bowling ball is thrown horizontally off a cliff at 45 m/s. It takes 3.2 s for the…

A: Given data:  Initial horizontal velocity (v0x) = 45 m/s Time taken to hit the ground (t) = 3.2 s…

Q: Rain droplets fall vertically with a velocity of v, = 16 (m/s). As shown in the figure, what degree…

A: The horizontal velocity of the person, va=10 m/s   The vertical velocity of the rain droplets, vy=16…

Q: If a rock was thrown with an initial velocity of 10 m/s in the x-direction at an angle of 40…

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Q: An elevator descends into a mine shaft at the rate of 5 metres per minute. If it begins to descend…

A: (i) Displacement = Velocity x Time = -5 m/min x 60 min = -300 m.

Q: Toron kicks a soccer ball with an initial velocity of 20 m/s at an angle of 30o above the…

A: Given data The speed is u= 20 m/s The motion the ball is as shown below

Q: A projectile is fired vertically with an initial velocity of 179 m/s. Calculate the maximum altitude…

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Q: A tennis ball is hit across the court, raising up and coming back down. Which of the following…

A: Given: A tennis ball is hit across the court, raising up and coming back down.

Q: A stone projected at an angle 37° above the horizontal. If the initial velocity is vo- 30 m/s, then…

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Q: One day an old lady was walking up a mountain and made it to a cliff with her grandbaby in a…

A: Solution:Given:Sign Convention: Rightward and upward directions are treated as positive directions.…

Q: You are in a plane that flies horizontally with speed 900 km/h (250 m/s) when an engine falls off.…

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Q: Suppose a cannon, placed on a cart moving at 2 meters per second with negligible friction in the…

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Q: A projectile is launched at some angle to the horizontal with some initial speed v; and air…

A: A projectile is launched at some angle with horizontal with initial Speed Vi

Q: A ball is projected vertically upward with an initial velocity of 41 feet per second from the top of…

A: Write the equation of motion, and solve for the position function as follows. v=u+atdhdt=u+gt…

Q: Which of the following plot represents the velocity of the projectile along the vertical axis?…

A: Third option is correct.

Q: Ask Your Teacher   A projectile is launched with an initial speed of 45.0 m/s at an angle of…

A: Given: initial speed (u) = 45 m/s. angle from horizontal θ = 31.0°. projectile lands on hillside…

Q: A)If a basketball is released with an initial speed of 10 m/s at an angle of 60, what is the…

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Q: what effect does air resistance have on the landing site distance of a projectile? What effect does…

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Q: A hockey puck is moving with a speed of 15.11[m/s] at an angle of 35˚ below the positive x-axis.…

A: Given  The magnitude of the velocity id V = 15.11 m/s. The angle below the positive x-axis is θ=35o.…

Q: Suppose you can kick a ball at 20 m/s in any direction and at any angle. At what angle should you…

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Q: Sketch the path of a ball tossed vertically into the air. (Neglect air resistance.) Draw the ball…

A: The path of a ball tossed vertically into the air is as show below:

Q: A spaceship is traveling at a velocity of when its rockets fire, giving it an acceleration of V = Vo…

A: Given data:  Initial velocity (v0) = (37.9 m/s)i Acceleration (a) = (2.52 m/s2)i + (4.19m/s2)j Time…

Q: Back on Earth, a ball is thrown off a roof top with a horizontal velocity 7 m/s and a downward…

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Q: A textbook slides off the edge of a table with an initial horizontal velocity of 21.2 m/s. The…

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Q: 2) Jerry is driving his speedboat at 8.6 m/s [E40°N] when he starts accelerating at 1.9 m/s² [W] for…

A: 2)3) 4)

Q: The athlete shown in Figure P4.25 rotates a 1.00-kg dis- cus along a circular path of radius 1.06 m.…

A: Given data: Mass of discus (m)=1 kg Radius of circular path (r)=1.06 m Maximum speed of the discus…

Q: Bananas are moved from one location to another using the pulley system that is displayed. The roller…

A: A belt pulley system is a device that transfers power using a belt from one rotating shaft to…

Q: A ball travels horizontally off of a table 0.78 m high and lands on a platform 0.81 m away and 0.14…

A: Given,

Q: A bullet is fired horizontally with an initial velocity of 800 m/s at a target located 350 m from…

A:

Q: The trajectory of an arrow traveling in Earth's gravity without air resistance is shown below at…

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Q: A baseball leaves a bat at 40 m/s at an angle of 30 degrees.  What are the horizontal and vertical…

A: The velocity of a ball when it leaves the bat is, v=40 m/s The angle of the ball projected from the…

Q: A projectile is fired vertically with an initial velocity of 262 m/s. Calculate the maximum altitude…

A: Given: The initial velocity of the object is 262 m/s vertically upward. The acceleration due to…

Q: You are driving directly behind a pickup truck, going at the same speed as the truck. A crate falls…

A: (a) No, the car will not hit the crate before it hits the road because when the crate falls from the…

Q: Calculate the speed (in m/s) a spherical rain drop would achieve falling from 2.50 km in the absence…

A: The speed of the rain drop in the absence of can be obtained as…

Q: A gun is fired with angle of elevation 30°. What is the muzzle speed if the maximum height of the…

A: Given data:  Angle (θ) = 30° with the horizontal Maximum height (hmax) = 504 g = 9.8 m/s2 Required:…

Q: R. (a) Find out the highest point that the ball may reach on y- axis? (b) Calculate the horizontal…

A:

Q: If the golf ball has horizontal velocity of 6.0 m/s and vertical velocity of 0.3 m/s, what is the…

A: Given, Golf horizontal velocity, ux = 6.0 ms vertical velocity, uy = 0.3 ms

Projectile Motion