Irodov – Problems in General Physics

(^2) 5 6 7t 1.16. Two particles, 1 and 2, move with constant velocities vi and v 2 along two mutually perpendicular straight lin ...

(c) the distance s covered by the particle during the first 4.0 and 8.0 s; draw the approximate plot s (t). 1.22. The velocity o ...

to the horizontal with the initial velocity v 0. Assuming the air drag to be negligible, find: (a) the time of motion; (b) the m ...

merit when it covered the n-th (n -= 0.10) fraction of the circle after the beginning of motion. 1.38. A point moves with decele ...

Fig. 1.5. 1.44. A wheel rotates around a stationary axis so that the rotation angle p varies with time as cp = ate, where a = 0. ...

(b) with a constant acceleration w (and the zero initial velocity), while the disc rotates counterclockwise with a constant angu ...

(a) the vector of the angular velocity of the cone and the angle it forms with the vertical; (b) the vector of the angular accel ...

1.61. Two touching bars^1 and 2 are placed on an inclined plane forming an angle a with the horizontal (Fig. 1.10). The masses o ...

what value of the angle a will the time of sliding be the least? What will it be equal to? 1.67. A bar of mass m is pulled by me ...

as great as that of the other body, starts moving with a constant ac- celeration w. How soon will the bodies collide? 1.71. A pu ...

both bodies began moving with constant accelerations. Find the friction force between the ball and the thread if t seconds after ...

Fig. 1.24. 1.81. Prism 1 of mass ml and with angle a (see Fig. 1.23) rests on a horizontal surface. Bar 2 of mass m (^2) is plac ...

less spring to a point B. The spring stiffness is equal to x. The whole system rotates with a constant angular velocity co about ...

1.95. Find the magnitude and direction of the force acting on the particle of mass in during its motion in the plane xy accordin ...

Fig. 1.27. Find the distance traversed by the body during the first t seconds after the force action began. 1.104. A body of mas ...

direction at the latitude q = 60°, the bullet velocity v = 900 m/s, and the distance from the target equals s = 1.0 km. 1.112. A ...

Momentum 1.3. Laws of Conservation of Energy, Momentum, and Angular ANGULAR MOMENTUM Work and power of the force F: A = F dr = ...

Law of angular momentum variation of a system: dM dt =N, (1.3k) where M is the angular momentum of the system, and N is the tot ...

total work performed by the friction forces acting on the chain by the moment it slides completely off the table? 1.125. A body ...

Fig. 1.30. Fig. 1.31. A A axi byj, where i and j are the unit vectors of the x and y axes, and a and b are constants. Find out w ...