Students were tasked with dropping a 0.2 kg bag of marbles straight down into a 1.0 kg toy cart moving at 3.0 m/s. The students compared the velocity of the cart before and after the marbles were dropped. marbles Hartles toy cart How did the addition of the bag of marbles affect the velocity of the cart?
Students were tasked with dropping a 0.2 kg bag of marbles straight down into a 1.0 kg toy cart moving at 3.0 m/s. The students compared the velocity of the cart before and after the marbles were dropped. marbles Hartles toy cart How did the addition of the bag of marbles affect the velocity of the cart?
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:Students were tasked with dropping a 0.2 kg bag of marbles straight down into a
1.0 kg toy cart moving at 3.0 m/s. The students compared the velocity of the cart
before and after the marbles were dropped.
marbles
Hartles
toy cart
How did the addition of the bag of marbles affect the velocity of the cart?
Transcribed Image Text:The cart's velocity stayed constant because the 0.20-kg bag was small when
compared to the 1.0-kg mass of the cart.
The cart's velocity stayed constant. Since the bag fell straight down, the force it
exerted was perpendicular to the horizontal motion of the cart.
The cart slowed down because the added weight of the marbles resulted in an
increase of the normal force the track exerted on the cart.
The cart slowed down becasue it now contained more mass. The momentum of
a closed, isolated system is always constant.
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