A particle is moving in x-y plane. At an instant, it has velocity (4ˆi+4ˆj)m/s and acceleration (3ˆi+5ˆj)m/s2 At that instant, the radius of curvature of its path will be : View Solution Knowledge Check A particle has an initial velocity (2ˆi+3ˆj) and an...
A particle moves in a straight line with velocity function v(t)=2√t+3cms^(-1) , t≥0Find the value oflim_(h→0)(v(1+h)-v(1))/hInterpret this value. 相关知识点: 试题来源: 解析 1 cms-2 =v'(1) is the instantaneous accn. at t = 1 s ...
A particle moves along the x-axis with its velocity at time t given by v(t)=bt^2-ct+8, where b and c are constants and b does not equal c. For which of the following values of t is the particle at constant velocity?( ) A. t= c(2b) B. t=2bc C. t= (2b)c D. t=2b...
A particle has an initial velocity of 3hat(i) + 4 hat(j) and an acceleration of 0.4 hat(i) + 0.3 hat(j). Its speed after 10s is :
A particle moves along the x-axis at a velocity of v(t)= 1(√ t), for t>0. At time t=1
exercise:1. a particle moving along x axis starts from x0 with initial velocity v0. its acceleration can be expressed in
1 the velocity v of a particle is given by v=1-4x where x is position.if the initial velocity of the particle is 2m/s,find an equation for x in terms of t.没有说是匀加速运动 2the velocity v of a particle is given by v=1-4x where x is position.if the initial velocity of ...
6 The velocity-time graph below represents the motion of a particle along a straight line.velocity / ms2010time/s2 46 B 1012 14-10-20-Which of the following statements are true?I The particle's velocity is momentarily zero at t = 5 s.ll The particle comes back to its starting point ...
Using this concept and slip-line theory, the velocity equations of clay in a plane-strain condition are developed. In this approach any change in clay particle orientation is essentially dependent on principal stresses magnitudes as well as their directions. Therefore, the effect of rotation of ...
Besides that, Figures 2 and 3 present the update in a particle’s velocity and in its position at a tt iteration, regarding a bi-dimensional problem with variables x1x1 and x2x2. Figure 1. The PSO algorithm. Figure 2. The velocity vector at a t iteration as being composed by two ...