A projectile is fired upward at an angle of 36.1 above the horizontal with an initial speed v; = 5.0 m/s. Writedown the velocity vector v (in m/s) and the acceleration vector a (in m/s?) of the projectile at its maximumheight in unit vector notations i and jO there is no answerO v= 2i + 0j m/s, a= 0i – 10j m/s?O v= 4i + 0j m/s, a = 0i – 10j m/s²O v= 5i + 0j m/s, a = 0i + 10j m/s?O v= 3i + 0j m/s, a = 0i + 10j m/s?

Answered: Image /qna-images/answer/7d828264-6720-4eae-9656-6e76928fb51d.jpg

A projectile is fired upward at an angle of 36.1 above the horizontal with an initial speed v, = 5.0 m/s. Write down the velocity vector v (in m/s) and the acceleration vector a (in m/s2) of the projectile at its maximum height in unit vector notationsi and j O there is no answer O v= 2i + 0j m/s, a = 0i – 10j m/s? O v= 4i + 0j m/s, a = 0i – 10j m/s? O v= 5i + 0j m/s, a = 0i + 10j m/s? v= 3i + 0j m/s, a = 0i + 10j m/s

A projectile is fired upward at an angle of 36.1 above the horizontal with an initial speed v, = 5.0 m/s. Write down the velocity vector v (in m/s) and the acceleration vector a (in m/s2) of the projectile at its maximum height in unit vector notationsi and j O there is no answer O v= 2i + 0j m/s, a = 0i – 10j m/s? O v= 4i + 0j m/s, a = 0i – 10j m/s? O v= 5i + 0j m/s, a = 0i + 10j m/s? v= 3i + 0j m/s, a = 0i + 10j m/s

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter3: Motion In Two Dimensions

Section3.3: Projectile Motion

Problem 3.2QQ: (i) As a projectile thrown upward moves in its parabolic path (such as in Fig. 3.8), at what point...

See similar textbooks

Similar questions

At t = 0, a particle moving in the xy plane with constant acceleration has a velocity of vi=(3.00i2.00j)m/s and is at the origin. At t = 3.00 s, the particles velocity is vf=(9.00i+7.00j)m/s. Find (a) the acceleration of the particle and (b) its coordinates at any time t.
In an attempt to escape a desert island, a castaway builds a raft and sets out to sea. The wind shifts a great deal during the day, and she is blown along the following straight lines: 2.50 km and 45.0 north of west, then 4.70 km and 60.0 south of east, then 130 km and 25.0 of west, then 5.10 km due east, then 1.70 km and 5.00 east of north, then 7.20 km and 55.0 south of west, and finally 2.80 km and 10.0 north of east. Use the analytical method to find the resultant vector of all her displacement vectors. What is its magnitude and direction?
Suppose you add two vectors A and B . What relative direction between them produces the resultant with the greatest magnitude? What is the maximum magnitude? What relative direction between them produces the resultant with the smallest magnitude? What is the minimum magnitude?
The coordinates of a particle in a rectangular coordinate system are (1.0,4.0,6.0) . What is the position vector of the particle?
(i) As a projectile thrown upward moves in its parabolic path (such as in Fig. 3.8), at what point along its path are the velocity and acceleration vectors for the projectile perpendicular to each other? (a) nowhere (b) the highest point (c) the launch point (ii) From the same choices, at what point are the velocity and acceleration vectors for the projectile parallel to each other?
Check Your Understanding If the average velocity vector of the drone In the displacement in Example 2.7 is u=(15.0i+31.7j +2.5k)m/s , what is the magnitude of the drone’s velocity vector?
From the origin, a particle starts at t = 0 s with a velocity vecv=7.0hatim//s and moves in the xy plane with a constant acceleration of veca=(-9.0hati+3.0hatj)m//s^(2). At the time the particle reaches the maximum x coordinate, what is its (a) velocity and (b) position vector?
From the window of a building, a ball is tossed from aheight y0 above the ground with an initial velocity of 8.00 m/s and angle of 20.0° below the horizontal. It strikes the ground3.00 s later. (a) If the base of the building is taken to be the originof the coordinates, with upward the positive y - direction,what are the initial coordinates of the ball? (b) With the positivex - direction chosen to be out the window, find the x - andy - components of the initial velocity. (c) Find the equations forthe x - and y - components of the position as functions of time.(d) How far horizontally from the base of the building doesthe ball strike the ground? (e) Find the height from which theball was thrown. (f) How long does it take the ball to reach apoint 10.0 m below the level of launching?
A Snowmobile is originally at the point with position vector 29.0m at 95 (Degrees) counterclockwise from the x-axis, moving with velocity 4.5 m/s at 40 (Degrees). It moves with constant acceleration 1.9 m/s^2 at 200 (dregrees). After 5 seconds have elapsed, find... a) Its Velocity? b) Its Position Vector?
If the cannon is on ground level, (delta y = 0), how far downrange will the projectile land? vi = 19 m/s, degree 45 (above the horizontal, pointing upward) What is the vi x = ? , what is the vi y = ?
In the Superbowl, a quarterback throws a football while standing at the very center of the field on the 50 yard line. The ball leaves his hand at a height of 5 ft and has initial velocity of ~v(0) =< 40, 35, 32 > ft/sec. Assume an acceleration of 32 ft/sec2 due to gravity, i.e., ~a(t) =< 0, 0, −32 >, and that the vector ~i points down fieldtoward the endzone and that the vector ~j points to the sideline. The field is 150 ft in width and 300 ft in length.(a) Determine the position function that gives the position of the ball t seconds after it isthrown. (b) The ball is caught by a player 5 ft above the ground. Is the player in bounds or out ofbounds when he receives the ball? (Assume the player is standing vertically with bothtoes on the ground at the time of reception.)
a firefighter, a distance d from a burning building, directs a stream of water from a fire hose at an initial angle teta above the horizontal. if the initial speed of the streamis v, at what height h does the water strike the building?