Physics homework help

A model rocket is launched straight upward with an initial speed of 50.0 m/s. It accelerates with a constant upward acceleration of1.50 m/s2 until its engines stop at an altitude of 150 m. (a) What is the maximum height reached by the rocket? (b) How long after lift-off does the rocket reach its maximum height? […]

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Mastering In Physics

Question-1. A box of mass m is sliding along a horizontal surface. Part A The box leaves position x=0 with speed v0. The box is slowed by a constant frictional force until it comes to rest at position x=x1. Find the magnitude of the average frictional force that acts on the box. (Since you don’t […]

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Rest On A Frictionless

An object, which is initially at rest on a frictionless horizontal surface, is acted upon by four constant forces. F1 is 28.6 N acting due East, F2 is 41.2 N acting due North, F3 is 47.8 N acting due West, and F4 is 10.8 N acting due South. How much total work is done on […]

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Forces and Motion

Objectives · To understand the relationship between applied force, net force, acceleration, and mass for one-dimensional motion. · To understand how the forces exerted on an object on an inclined plane affect the object’s motion. Use the PhET simulation Forces and Motion: Basics. https://phet.colorado.edu/sims/html/forces-and-motion-basics/latest/forces-and-motion-basics_en.html This simulation allows you to push on different objects with a […]

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Physics

http://session.masteringphysics.com/myct/assignmentPrintView?assignmentID=3212823 1/21 HW3 Due: 11:59pm on Monday, October 13, 2014 To understand how points are awarded, read the Grading Policy for this assignment. Tactics Box 3.3 Determining the Components of a Vector Learning Goal: To practice Tactics Box 3.3 Determining the component of a vector. When a vector is decomposed into component vectors and parallel […]

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Which Is Initially At Rest On A Frictionless

An object, which is initially at rest on a frictionless horizontal surface, is acted upon by four constant forces. F1 is 28.6 N acting due East, F2 is 41.2 N acting due North, F3 is 47.8 N acting due West, and F4 is 10.8 N acting due South. How much total work is done on […]

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Oscillation

The position of a mass oscillating on a spring is given by X= 7.8 cm cos [2 pi t / (0.68 s) ] a. What is the frequency of this motion? b. When is the mass first at the position x= -7.8cm Solution Preview a) angular velocity = w =2pi /T= 2pi /0.68 Therefore T=0.68 […]

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Newton’s Laws of Motion

Please also see the attached file. The fig. shows a uniformly dense rectangular brick of length a, height b resting on a rough inclined plane of angle theta. The interface between surface and brick has associated coefficients of friction us, uk. A force F is applied as indicated. a) For F = 0, and varying […]

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Capacitors

A capacitor is a passive two-terminal electrical component used to store energy electrostatically in an electric field. By contrast, batteries store energy through chemical reactions. The forms of practical capacitors vary widely but all contain at least two electrical conductors separated by an insulator. For example, a common construction consists of metal foils separated by […]

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Analysis of Einstein’s Quote and Eckhart Tolle’s A New Earth

I am looking for analytical connections as to how the quote, “A Human Being Is A Part of A Whole” by Albert Einstein relates to Chapter 8 (“The Discovery of Inner Space”) and Chapter 9 (“Your Inner Purpose”) of “A New Earth” by Eckhart Tolle. “A human being is part of a whole, called by […]

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