12. The angular position of the particle is (t)= 2 + 3t+ t(rad), its angular velocity...
A 1.30-kg particle moves in the xy plane with a velocity of = (4.10 î − 3.80 ĵ) m/s. Determine the angular momentum of the particle about the origin when its position vector is = (1.50 î + 2.20 ĵ) m.
A 1.80-kg particle moves in the xy plane with a velocity of V (4.10 1 - 3.10 j) m/s. Determine the angular momentum of the particle about the origin when its position vector is r = (1.50 + 2.20 j) m. i + j +
A 1.30-kg particle moves in the xy plane with a velocity of V - (3.90 i 3.20j) m/s. Determine the angular momentum of the particle about the origin when its position vector is r-(1.50i2.20 j) m. R)kg m2/s
the angular position of a point on a rotating wheel is given by theta=2+4t^2+3t^3 rad/s? or rotates at 84 rad/s in idle mode. When shut off, its angular acceleration is -29 (a) What is the angular velocity after 1.0 s? (b) How long will it take for the motor to completely stop? (C) How many revolutions does the motor make before stopping after it 15 turned off? 5.) The angular position of a point on a rotating wheel is given...
the velocity of a particle traveling in a straight line is given by v=(6t-3t^2)m/s, where t is in seconds, if s=0 when t= 0. determine the particles deceleration and position when t=3s. how far has the particle traveled during the 3s time interval and what is its average speed?
What would be the angular velocity for t=3s for a particle whose expression for angular position is: O(t)= 4t? – 6t
A particle moves along a straight line such that its position is defined by s=(4t^3+3t^2−10t−10) mm. Part C. Determine the average speed of the particle when t=3s.
If a particle with mass m moves with position ! r(t), then, the angular momentum is defined as ! L(t) = m! r(t) × ! v (t) and its torque is ! τ (t) = m! r(t) × ! a(t). Show that ! L′(t) = ! τ (t) . What are the consequences for both ! a(t) and ! L(t) when ! τ (t) = ! 0 for all t? THIS IS CALC 3 VECTOR STUFF MUST USE CALCULUS
9. A particle moves along the x-axis so that its velocity v at time t, for0 sts 5, is given by v(t) In(t2-3t +3). The particle is at position x 8 at time t 0. a) Find the acceleration of the particle at time t 4. b) Find all times t in the open interval 0<t <5 at which the particle changes direction. During which time intervals, for 0st s 5, does the particle travel to the left? c) Find...
o1-The angular position of a angular speed of the point at t = 3s (A)6 rad s(B) 10 rads (C)14r point on a wheel is described by θ (t) = 2t + 2t3(rad). Find t ad s-t (D) 18 rad s1 (E) 22 reds A wheel starts from rest and rotates with const ant angular acceleration to reach an ingular spec