答案 We haveThe acceleration, then, is always directed toward the center of the ellipse.相关推荐 1A particle moves according to the equations , . Find the velocity and acceleration vectors at any time t, and show that a=-R at all times. 反馈 收藏
The position of a particle along x-axis at time t is given byx=1+t−t2. The distance travelled by the particle in first 2 seconds is View Solution A particle moves according to the equationx=acosπt. The distance covered by it in2.5s is ...
A particle moves on the X-axis according to the equation x=x0sin2ωt. The motion simple harmonic View Solution A particle moves on the X-axis according to the equation x=5sin2ωt. The motion simple harmonic View Solution Knowledge Check The equation of motion of a simple harmonic motion...
A particle moves in an attracting central force field with force proportional to the distance from the origin. This implies that the particle's acceleration vector is a=-ω ^2r, where r is the position vector of the particle. Assume that the particle's initial position is r_0=pi and tha...
Answer to: A particle moves with simple harmonic motion, as shown. The equation that gives displacement x, as a function of time t. By signing up,...
12 A particle moves in a straight line such that t seconds, after leaving a fixed point O, its velocity, v m/s, is given by v=t^2+kt+24 , where k is a constant.The particle comes to rest instantaneously at point A when t =3.(i) Find the other value of t at point B, ...
A particle moves along X-axis in such a way that its coordinate X varies with time t according to the equation x=(2−5t+6t2)m. The initial velocity of the particle is View Solution A particle is moving in a straight line such that its distance s at any time t is given by s=...
A particle moves along x axis in such a way that its coordinate x varies with time t according to the equation x=A0−A1t+A2t2. The initial velocity of the particle is. View Solution The velocity 'v' of a particle moving along straight line is given in terms of time t as v=3(...
A particle moves along the y-axis so that its velocity at any time t≥q 0 is given by v(t)=tcos t. At time t=0, the position of the particle is y=3.Write an expression for the position y(t) of the particle. 相关知识点: 试题来源: 解析 y(t)=tsin t+cos t+2 y(t)=...
Answer to: A particle moves along the x-axis according to x(t) = 3t3 + 5t . At what time is the velocity of the particle equal to zero? Is this...