1. On the diagram above, use a protractor and ruler to draw a vector to represent the initial velocity of the projectile. Begin the vector at point P, and use a scale of 1.0 centimeter 50. meters per second. 2. Determine the horizontal component of the initial velocity. 3. Explain why the projectile has no acceleration in the horizontal direction. [Neglect air friction.]
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- On the map, let the +x-axis point east and the +y-axis north. An airplane flies at 880 km/h northwestward direction (i.e., midway between north and west). Can you help me visualize the components of the first velocity, and when the plane flies due south at the same velocity? I am afraid I can properly visualize or understand in simple terms what is asked. My point can you help to understand the right angle theorem to the angle.A trapper walks a 5.0-km straigt4ine distance from his cabin to the lake, as shown in the following figure. Use a graphical method (the parallelogram rule) to determine the trapper’s displacement directly to the east and displacement directly to the north that sum up to his resultant displacement vector. If the trapper walked only in directions east and north, zigzagging his way to the lake, how many kilometers would he have to walk to get to the lake?An airplane is flying to a city due west from its current location. If there is a slight wind blowing to the southwest, in what direction must the plane head (that is, in what direction must it point)? Explain your answer using a diagram
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- Once upon a time,on a piece of paper Alice drew a vector 20cm long at 37 degree north of east. Next, Alice drew a vector 8.5cm long at 45 degree north of west, with the tail of this vector at the head of the previous vector. Finally, Alice drew a vector with a tail at the tail of her first vector and a head at the head of her second vector. I) how long is Alice's third vector? ii) What is the direction of Alice's third vector?There is a formula that describes the range of a projectile under the conditions of this animation. The formula can be written as (attached is the formula). where R is the horizontal distance traveled, vinitial is the initial speed of the projectile (in the equation this is squared) and g is gravity (10 m/s2). sin (2 ?) is the trigonometry function sine, and you are taking sine of 2 times the angle the projectile is shot. So, if the angle is ? = 50 degrees, the formula would include a term sin (2 ?) = sin (2 x 50) = sin (100).For the following initial angles of projection, determine the range of the projectile by applying the range formula. Take the initial speed of the projectile to be 48 m/s and assume that gravity is 10 m/s2. If you do not have a scientific calculator, remember that you can use the calculator on your computer and choose to view "scientific". The trigonometry functions will become available. Angle (degrees) Range(m) 10 15 30 45 60 75 80Amanda kicked a soccer ball towards the goal with an initial velocity of 28 m/sec at an angle of 15 degree with the horizontal a) write parametric equations for the path of the soccer ball b) when will the ball reach the goal which is 5 meters away? Show your set-up. Indicate unites of measure c) If the goal is 2.4 meters high, will this be a goal? Expain your answer?
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