Problem 14: A particle of mass 1.39 kg begins at rest and is then subject to a force in the positive x direction that changes with time as given by thefollowing function: F = mg[1-e33], where g is the acceleration due to gravity.123Av=Part (a) Determine the change in the velocity Av of the particle between tw0 and 13 seconds.m/sPart (b) Determine the change in x-coordinate of the particle Ar between r=0 and 1=1.3 seconds.G

Answered: Image /qna-images/answer/6549f5fe-34ff-4f44-b979-b96d16c00d8a.jpg

Answered: Problem 14: A particle of mass 1.39 kg…

Similar questions

4. Let A = -4î+5ĵ, B = 7î - 9ĵ operations (a) D = A + 3B + С answers in vector notation. and C = −3î+8ĵ. Find mathematical and (b) Ẻ = 2Ả − B + 3C. Express your
Here are three vectors in meters: d1 = -6.60î + 8.70ĵ + 3.50k d 2 = - 2.00î – 4.00ĵ + 2.00k d 3 = 2.00î + 3.00ĵ + 1.00k What results from (a) đ1· ( đ 2 + đ 3 ), (b) đ 1 · ( đ 2 × đ 3), and d 1 x ( d 2 + d 3 ) (c), (d) and (e) for i,j and k components respectively)? (a) Number i Units (b) Number Units (c) Number i Units (d) Number Units (e) Number i Units
Given that the velocity of a certain particle varies with displacement according to the equation x'=2a/x^4, find the force as a function of x? NOTE: where x' is the first derivative of displacement vector x.
Given vector A=2i-3j and vector B = 2i -4j. If vector C = A -2*B then C equals ..
According to Los Angeles Air Traffic Control, an Air Force SR-71 has a constant velocity of 1942 knots (999 m/s) along the negative y direction, and a Navy F-18 has an acceleration of 4 m/s^2 along the positive x direction (both of these are fighter jets). What is the acceleration of the F-18 as measured by an observer in the SR-71 (in m/s^2)? [i and j represent unit vectors along the x and y directions respectively]
An object has an initial velocity of 29.0 m/s at 95.0° and an acceleration of 1.90 m/s2 at 200.0°. Assume that all angles are measured with respect to the positive x-axis. (a) Write the initial velocity vector and the acceleration vector in unit vector notation. (b) If the object maintains this acceleration for 12.0 seconds, determine the average velocity vector over the time interval. Express your answer in your unit vector notation.
7:31 a 4 O 0令ll回 10. The displacement of the object between t = 0 and t = 4 s is: (A) 22 m (B) 28 m (C) 40 m (D) 42 m (E) 60 m Velocity (mis) Time (b a e 11. The above graph represents the velocity as a function of time of a moving object. What is the net displacement between t = 0 s and t = 4 s? (A) Om (B) 16 m (C) 24 m (D) 36 m (E) 48 m Acceleration vs Time Time (s) a
A particle of mass m has a time-dependent position vector r(t) = (Rcos(ωt),Rsin(ωt),αt) in Cartesian coordinates, where R, ω and α are positive constants. What are the physical dimensions of R, ω and α? Show that the speed of the particle is constant. Does it mean that the acceleration is zero? Justify.
The velocity of a particle as a function of time is given by v(t)=(3t-t )i-4 j all in S.I. units. a) What are the dimensions of the "-1 " in the – ti term? What are the units of the "3 " in the 3t i term? b) Find the position vector of the particle, r(t), if r(0) = -5 i- 2j :) Find the time ti > 0 when the position in the i direction is a maximum. d) Find a 1 -> 3 the average acceleration vector in the time interval 1 to 3 seconds.
The polar coordinates of a certain point are (r = 4.35 cm, 8 = 190°). (a) Find its Cartesian coordinates x and y. X = cm y = cm (b) Find the polar coordinates of the points with Cartesian coordinates (-x, y). r = cm (c) Find the polar coordinates of the points with Cartesian coordinates (-2x, -2y). r = cm (d) Find the polar coordinates of the points with Cartesian coordinates (3x, -3y). r = cm
An unidentified flying object (UFO) is observed to travel a total distance of 42000 m, starting and ending at rest, over a duration of 2.07 s. Assuming the UFO accelerated at a constant rate to the midpoint of its journey and then decelerated at a constant rate the rest of the way, what was the magnitude of its acceleration? Express your answer in g s , where 1 g = 9.81 m/s^2. 39,207 g s 19,604 g s 3,997 g s 1,998 g s
A particle is moving with velocity v=k(y^i+x^j). Where k is constant and i^ and j^ are the components of vector. What is the general equation for its path?

SEE MORE QUESTIONS