![(3) Alan is jogging at a speed of 5 m/s at an angle of 120° with respect to the positive X-axiS. a)Write his velocity in component form. Write č in magnitude/angle form. Sketch the three vectors c Patricia is walking at 3 m/s such that the x component of her velocity is 1 m/s. Write her velocity in component form. What is its angle? (There are two possible solutions. Find both.) A helicopter flies upwards at a speed of 6.0 m/s next to a pyramid. What is the component of the helicopters velocity in the direction going along and up the pyramids face? Hints: add the appropriate coordinate system to the figure; can a component of a vector be greater than the vectors magnitude?] (4) 60° (5) The position of a particle is given by: i+ sin (2t)j with position and time in meters and seconds respectively. Find its velocity Since the problem does not specify any requirements, you are free to express the vector using any format you choose. Pick something convenient.](http://img.homeworklib.com/questions/8fdc4180-73d5-11ea-b152-2d91dd87a4fd.png?x-oss-process=image/resize,w_560)
Homework Answers
On takeoff, an airplane climbs with a speed of 183 m/s at an angle of 32.5°...
On takeoff, an airplane climbs with a speed of 183 m/s at an angle of 32.5° above the horizontal. The speed and direction of the airplane constitute a vector quantity known as the velocity. The sun is shining directly overhead. How fast is the shadow of the plane moving along the ground? (That is, what is the magnitude of the horizontal component of the plane's velocity?) Submit Answer Tries o/99
You are jogging for one hour at a speed of 5 m/s and for the final...
You are jogging for one hour at a speed of 5 m/s and for the final 200 m you decide to increase your velocity to 11 m/s. Assuming you were able to do so instantaneously. Once you reach that speed how long it will take to cover 200m?
A velocity vector V has magnitude 11 m/s and has an angle of 35o below the...
A velocity vector V has magnitude 11 m/s and has an angle of 35o below the negative x axis. What are this vector's x and y components? Drawing a diagram should help.
A bus driver heads south with a steady speed of v1=20.0 m/s for t1=3.00 min, then makes a right turn and travels at v2=25.0 m/s for t2=2.60 min
A bus driver heads south with a steady speed of v1=20.0 m/s for t1=3.00 min, then makes a right turn and travels at v2=25.0 m/s for t2=2.60 min, and then drives northwest at v3=30.0 m/s for t3=1.00 min For this 6.60-min trip, calculate the following. Assume +x is in the eastward direction. (a) total vector displacement (Enter the magnitude in m and the direction in degrees south of west.) (b) average speed (in m/s) (c) average velocity (Enter the magnitude in m/s and...
An airplane with a speed of 72.1 m/s is climbing upward at an angle of 45.0...
An airplane with a speed of 72.1 m/s is climbing upward at an angle of 45.0 ° with respect to the horizontal. When the plane's altitude is 529 m, the pilot releases a package. (a) Calculate the distance along the ground, measured from a point directly beneath the point of release, to where the package hits the earth. (b) Relative to the ground, determine the angle of the velocity vector of the package just before impact. (Write on paper)
A projectile is launched with an initial speed of 40 m/s at an angle of 25°...
A projectile is launched with an initial speed of 40 m/s at an angle of 25° above the horizontal. (a) What are the horizontal and the vertical components of initial velocity. (b) Find the time taken by the projectile to reach the highest point and its height at the highest point. (c) How long does it take the projectile to hit the ground after launch and how far from the starting point it hits the ground. (d) Calculate the velocity...
A rocket is fired at an angle from the top of a tower of height h0...
A rocket is fired at an angle from the top of a tower of height h0 = 40.0 m. Because of the design of the engines, its position coordinates are of the form x(t) = A + B t2 and y(t) = C + D t3, where A, B, C and D are constants. The acceleration of the rocket 3.00 s after firing is a = (7.00 i + 5.00 j) m/s2. Take the origin of coordinates to be at...
While standing stationary and writing on a patient’s chart, a doctor drops her pen. What can...
While standing stationary and writing on a patient’s chart, a doctor drops her pen. What can we say about the pen’s motion after she drops it? Ignore air resistance. A. Its velocity is constant. B. The magnitude of its velocity is decreasing. C. The magnitude of its acceleration is increasing. D. Its acceleration is constant. Janelle throws a 0.20 kg apple directly upwards with initial speed 16 m/s. Assuming we can ignore air resistance, what will be the height of...
An object is launched with a speed v0 = 80.0 m/s and with an angle α0...
An object is launched with a speed v0 = 80.0 m/s and with an angle α0 = 60º with respect to the flat surface from which it was launched at a place where g = 9.80 m/s^2. a) Calculate the position (x, y) of the object when t = 4.00s. b) Calculate the magnitude and direction of its velocity when t = 4.00s. c) Determine the time at which the object reaches its maximum height and the value of said...
An airplane with a speed of 84.8 m/s is climbing upward at an angle of 60.7...
An airplane with a speed of 84.8 m/s is climbing upward at an
angle of 60.7 ° with respect to the horizontal. When the plane's
altitude is 625 m, the pilot releases a package.
(a) Calculate the distance along the ground,
measured from a point directly beneath the point of release, to
where the package hits the earth. (b) Relative to
the ground, determine the angle of the velocity vector of the
package just before impact.
a) 883.95 m is...
On takeoff, an airplane climbs with a speed of 183 m/s at an angle of 32.5° above the horizontal. The speed and direction of the airplane constitute a vector quantity known as the velocity. The sun is shining directly overhead. How fast is the shadow of the plane moving along the ground? (That is, what is the magnitude of the horizontal component of the plane's velocity?) Submit Answer Tries o/99
An airplane with a speed of 84.8 m/s is climbing upward at an
angle of 60.7 ° with respect to the horizontal. When the plane's
altitude is 625 m, the pilot releases a package.
(a) Calculate the distance along the ground,
measured from a point directly beneath the point of release, to
where the package hits the earth. (b) Relative to
the ground, determine the angle of the velocity vector of the
package just before impact.
a) 883.95 m is...
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