A particle is moving with velocity vecv = k( y hat(i) + x hat(j)) , where k is a constant . The genergal equation for its path is
【题目】A particle moves along the r-axis with velocityv(t)=e^(-2t) metres per second.At time t = 0, the particle is 2 metres to the right of theorigin. Find:I the displacement function for the particle 相关知识点: 试题来源: ...
A positively charged particle moving with a velocity \(V=\vec{Vx_{i}}+\vec{Vy_{j}}\) enters a region with a uniform magnetic field \(\vec{B}\) in the \(-z\) direction. Which of the following statements are true?I. The particle moves in the magnetic field without any change ...
Answer to: A particle moves with a velocity v1 for time t1 and velocity of v2 for time t2 along a straight line. What is the magnitude of average...
A particle moves with uniform velocity. It meansThe particle is moving with constant speed. The particle moves along a straight line.
1. A particle P of mass 2 kg is moving with velocity (3i+ 4j)m s' when it receives an impulse. Immediately after the impulse is applied, P has velocity (2i-3j)m s-'.(a) Find the magnitude of the impulse.(5)(b)Find the angle between the direction of the impulse and the ...
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...
The velocity v of a particle moving along a straight line is given by the function v(t) = 3t^2 - 6t + 2, where t is the time in seconds. What is the displacement of the particle from t = 1 to t = 3 seconds? A. 10 units B. 12 units C. 14 units D. 16 units 相关知识...
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)=...