Homework Statement
http://nplq1.phyast.pitt.edu/res/msu/physicslib/msuphysicslib/13_EnergyConservation/graphics/prob27a_MechEnWFriction.gif
When mass M is at the position shown, it is sliding down the inclined part of a slide at a speed of 2.07 m/s. The mass stops a distance S2 = 1.9 m...
Homework Statement
http://nplq1.phyast.pitt.edu/res/msu/physicslib/msuphysicslib/09_Force_and_Motion/graphics/prob69_2blkplly.gif
Two blocks are arranged as shown. The pulley can be considered to be massless, and friction is negligible. M1 is four times more massive than M2.
If the...
Homework Statement
A particle leaves the origin with an initial velocity v = 3.92i , in m/s. It experiences a constant acceleration
a = -1.00i -0.80j , in m/s2. What is the velocity of the particle when it reaches its maximum x coordinate?
i-component of velocity?
j-component of the...
Homework Statement
A line of charge starts at x=+x_0 and extends to positive infinity. If the linear charge density is \lambda=\frac{\lambda_0x_0}{x}, determine the electric field at the origin.
The Attempt at a Solution
I'm really not sire which equations I would have to use to solve...
[SOLVED] Density of a planet using orbit of a satellite
Homework Statement
A satellite is in a circular orbit about a planet of radius R. If the altitude of the satellite is h and its period is T, show that the density of the planet is \rho=\frac{3\pi}{GT^2}(1+\frac{h}{R})^3
The...
[SOLVED] Energy required to place a satellite in orbit
Homework Statement
A 200-kg satellite is placed in Earth orbit 200 km above the surface. What is the minimum energy necessary to place this satellite in orbit (assuming no air friction)?
The Attempt at a Solution
To solve this...
Homework Statement
A large block P executes horizontal simple harmonic motion by sliding across a frictionless surface with a frequency f = 1.5 Hz. Block B rests on it, and the coefficient of static friction between the two is \mu_s=0.60. What maximum amplitude of oscillation can the system...
[SOLVED] Potential energy of a pendulum when the angle is small
Homework Statement
When a simple pendulum makes an angle with the vertical, its speed is v. (a) Calculate the total mechanical energy of the pendulum as a function of v and \theta. (b) Show that when \theta is small, the...
Homework Statement
A uniform beam of weight w is inclined at an angle \theta to the horizontal with its upper end supported by a horizontal rope tied to a wall and its lower end resting on a rough floor. (a) If the coefficient of static friction between the beam and floor is \mu_s, determine...
Homework Statement
A constant horizontal force \vec{F} is applied to a lawn roller in the form of a uniform solid cylinder of radius R and mass M. If the roller rolls without slipping on the horizontal surface, show that (a) the acceleration of the center of mass is \frac{2\vec{F}}{3M} and (b)...
[SOLVED] Angular momentum and collisions
Homework Statement
A wooden block of mass M resting on a frictionless horizontal surface is attached to a rigid rod of length \ell and of negligible mass. The rod is pivoted at the other end. A bullet of mass m and travelling parallel to the...
[SOLVED] Angular momentum about a point
Homework Statement
A ball having mass m is fastened at the end of a flagpole that is connected to the side of a tall building at point P. The length of the flagpole is l, and it makes an angle of \theta with the horizontal. If the ball becomes loose and...
[SOLVED] Conservation of Angular Momentum
Homework Statement
A 60-kg woman stands at the rim of a horizontal turntable having a moment of inertia of 500 kgm^{}2 and a radius of 2.00 m. The turntable is initially at rest and is free to rotate about a frictionless, vertical axle through its...
[SOLVED] The speed of a bullet may be determined by allowing the bullet to pass throu
Hello! I am new here and this is my first time posting...I am working on a physics problem and I have been stumped on it for a while now. Any hints would be greatly appreciated.
Homework Statement
The...