Category Archive: KINEMATICS

Aug 06

The Physics of Running explained – PhysicsWorld Video

The Physics World explains the Physics of running through this simple narrative video.

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Permanent link to this article: http://www.plustwophysics.com/the-physics-of-running-explained-physicsworld-video/

Jun 18

Relative Nature of Motion

Now we know that motion is a relative term.So absolute motion has no meaning, right? So aren’t Galileo’s view that earth moves around sun and the church’s old belief that sun moves around

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Permanent link to this article: http://www.plustwophysics.com/relative-nature-of-motion/

Sep 13

Problem from relative velocity

A Boat covers certain distance between two spots in a river taking t1 hrs going downstream and t2 hrs going upstream. What time will be taken by boat to cover same distance in still water? posted by STUTI Answer: Incoming search terms:relative velocity...

Permanent link to this article: http://www.plustwophysics.com/problem-from-relative-velocity-2/

Sep 13

The problem of a rock thrown vertically up

A rock is thrown vertically upward from the ground with an initial speed 15m/s. a. how high does it go b. how much time is required for the rock to reach its maximum height? c. what is the rock’s height at t=2.00s? (Posted by Merhawi) Answer: (a) u=15m/s a=-10m/s2 v=0 m/s [...]

Permanent link to this article: http://www.plustwophysics.com/the-problem-of-a-rock-thrown-vertically-up-3/

Sep 13

The problem of a rock thrown vertically up

A rock is thrown vertically upward from the ground with an initial speed 15m/s. a. how high does it go b. how much time is required for the rock to reach its maximum height? c. what is the rock’s height at t=2.00s? (Posted by Merhawi) Answer: (a) u=1...

Permanent link to this article: http://www.plustwophysics.com/the-problem-of-a-rock-thrown-vertically-up/

Sep 13

The problem of a rock thrown vertically up

A rock is thrown vertically upward from the ground with an initial speed 15m/s. a. how high does it go b. how much time is required for the rock to reach its maximum height? c. what is the rock’s height at t=2.00s? (Posted by Merhawi) Answer: (a) u=1...

Permanent link to this article: http://www.plustwophysics.com/the-problem-of-a-rock-thrown-vertically-up-2/

Sep 12

Homework from Projectile Motion

A projectile is projected at an angle theta with horizontal with speed u . If air resistance is taken in account , the angle with vertical at the time of hitting the ground will be a)more than (90 + theta) b)less than (90 – theta) c)(90 + theta...

Permanent link to this article: http://www.plustwophysics.com/homework-from-projectile-motion/

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