A particle of mass2kgmoves in thexyplane under the action of a constant force→Fwhere→F=ˆi−ˆj. Initially the velocity of the particle is2ˆj. The velocity of the particle at timetis View Solution A body of mass1kgbegins to move under the action of a time dependent force→F...
结果1 题目 A particle, , of mass kg moves under the action of a single force, Newtons. At time , the velocity, ms-1 of is given by ms-1. At time , is at the origin.Work out when . Show all your working. 相关知识点: 试题来源: 解析 N 反馈 收藏 ...
A particle P of mass m kg moves at a speed of um s-1 when itcollides head on witha particle O of mass km kg also travelling at a speed of um s-1,travelling along thesame line.After collision, the two particles move off together with a common speed of vm s-1.u-V__u+V...
A particle of mass m moves in a one-dimensional potential U(x)=A|x|n, where A is a constant. Find the dependence of the period γ on the energy E in terms of n. 相关知识点: 试题来源: 解析 For a harmonic oscillator n=2, and T=2π√km, independent of E, as (3) confirm...
A particle of mass 1 kg is moving along the liney=x+2(here x and y are in metres) with speed2m/s. The magnitude of angular momentum of paticle about origin is - View Solution A body of mass 2kg is moving along positive X - direction with a velocity of5ms−1Now a force of10...
7. A particle P of mass 0.5kg is attached to one end of a light elastic spring, of natural length1.2m and modulus of elasticity 15N. The other end of the spring is attached to a fixed point A on a smooth horizontal table. The particle is placed on the table at the point B where...
Answer to: A particle of mass m moves along a curve given by y = - ln(x). At any time, t, discuss the following point of the system: Acceleration...
5B●A Particles A and B, each of mass 0.3 kg, are connected by a light inextensible string. The string passes over a small smooth pulley fixed at the edge of a rough horizontal surface. Particle A hangs freely and particle B is held at rest in contact with the surface (see diagram)....
An object of mass 10 kg is accelerated upward at 2 m/s2. What force is required? (g = 10 m/s2) a. 10 N b. 20 N c. 100 N d. 120 N A particle with unit mass moves under the influence of a force F ( t )...
Answer to: A mass of 10 kg moves with a velocity of 4 m/s. Find its kinetic energy. By signing up, you'll get thousands of step-by-step solutions...