Physics Homework Solutions

Various questions for integration practice. This is important to grasp when dealing with many physics problems. Attachments in PDF format.

Various questions to practice with integration. Integrate the following; a) x^6 b) 3x + x^2 c) 1/(x^2) d) ax + b e) x^p + x^q View the pdf file for the best clarity.

Integration practice using set limits on three problems. Integration is important to many areas of physics and needs to be grasped and understood first. Attachments in pdf format.

Three problems for practice. View the pdf file below for additional clarity. a) x^5 upper limit 1, lower limit 0 b) 3x^2 upper limit 2, lower limit 1 c) x^n upper limit 1, lower limit 0

Working with integration. Attachments in pdf format.

The velocity of a particle moving in a straight line is given by v=3t^2 + 2t, Find an expression for the displacement at time, t. If the initial displacement is 1m, find an expression for the constant of integration. Hence determine the displacement after a time period of 2s has elapsed.

Making useful study guides and the art of cramming.

I have a huge physics exam coming up and I'm not prepared. What are some quick study guides? We're allowed to bring in cheat sheets but how I make them useful?

Net Force

What is the net force acting on the object that has a force of 20.9N 34 degrees West of North and a second force of 34.5N 42 degrees East of North acting on it?

The Age of the Universe

Please help in calculating the Hubble constant, that is, the number of km/s of velocity per Mpc of distance.

Calculating the Retarding Force of an Object

What is the rule for calculating the retarding force of something?

Forces

What forces are involved with a zipper?

Calculating the speed and wavelength of water waves given distance, time and period of oscillation. Attachments in Word.

Water waves in a lake travel 4.4 m in 1.8s. The period of oscillation is 1.2 s. a. What is the speed of water waves? b. What is their wavelength?

Ten questions I have answerd incorrectly

1. A ball is thrown in the air with enough force so that it goes straight up for several Seconds a. What is the velocity of the ball 1 sec before it’s highest point b. What is the change in velocity during this 1 sec interval c. What is the velocity 1 sec after it reaches it’s highest point d. what is the chang ...continues

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