February 19, 2017

Homework Help: Physics (Algebra-based)

Posted by Becky on Saturday, April 6, 2013 at 9:42pm.

A block starts at rest and slides down a frictionless track except for a small rough area on a horizontal section of the track.It leaves the track horizontally, flies through the air, and subsequently strikes the ground. gravity= 9.81 m/s^2.
height1=4.1m---- is initially dropped from here
height2=2.4m---- part where curve flattens out
mass of block=0.546kg
What is the speed v of the block when it
leaves the track (in m/s)?
What is the horizontal distance x the block travels in the air (in m)?
What is the speed of the block when it hits the ground (in m/s)?

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