physics

posted by .

A particle is moving clockwise in a circle of radius 1.75 m. At a certain instant, the magnitude of its acceleration is
a =

a

= 39.0 m/s2,
and the acceleration vector has an angle of θ = 50° with the position vector, as shown in the figure. At this instant, find the speed,
v =

v

,
of this particle.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. PHYSICS

    When a particle moves on a circle at constant speed, its acceleration vector: a) is zero m/s^2 b) points toward the center of the circle. c) points parallel to its velocity vector. It's zero m/s^2 since it's moving at a constant speed, …
  2. physics

    A particle is moving clockwise in a circle of radius 1.54 m. At a certain instant, the magnitude of its acceleration is a = 26.0 m/s2,and the acceleration vector has an angle of θ = 50° with the position vector, as shown in the …
  3. angular momentum

    a 8.20 kg particle P has a position vector of magnitude 6.90 m and angle θ1 = 42.0° and a velocity vector of magnitude 6.70 m/s and angle θ2 = 25.0°. Force , of magnitude 8.90 N and angle θ3 = 28.0° acts on P. All …
  4. physics

    A particle revolves in a horizontal circle of radius 3.20 m. At a particular instant, its acceleration is 1.20 m/s 2 in a direction that makes an angle of 55.0º to its direction of motion. Determine its speed (a) at this moment, and …
  5. Physics (Algerbra-based)

    A particle is moving clockwise around a circle with a radius 3.31 m. The magnitude of the total acceleration of the particle at the given instant is 14.3 m/s^2; the angle between the vector of total acceleration and the radius-vector …
  6. Physics

    Uugghhh help please. The velocity of a 4.6 kg particle is given by vector v=(4t{i}+7t^2{j}), where v is in m/s and t is in seconds. At the instant when the net force on the particle has a magnitude of 40 N, what is the angle between …
  7. Physics I (Classical)

    At some instant, a particle traveling in a horizontal circular path of radius 7.50 m has a total acceleration with a magnitude of 16.0 m/s2 and a constant tangential acceleration of 12.0 m/s2. Determine the speed of the particle at …
  8. Physics I (Classical)

    At some instant, a particle traveling in a horizontal circular path of radius 7.50 m has a total acceleration with a magnitude of 16.0 m/s^2 and a constant tangential acceleration of 12.0 m/s^2. Determine the speed of the particle …
  9. physics

    A particle is traveling counterclockwise in a circle of radius r = 2.30 m. At some instant in time, the particle is located by the angular coordinate α = 24.0°, the total acceleration has a magnitude of a = 15.0 m/s2 and is directed …
  10. physics

    A particle is traveling counterclockwise in a circle of radius r = 2.85 m. At some instant in time, the particle is located by the angular coordinate α = 34.0°, the total acceleration has a magnitude of a = 19.0 m/s2 and is directed …

More Similar Questions