Any child is pushing a shopping cart at a speed of 1.5 m/s.how long will it take this child to push the cart down the aisle with
1 answer:
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Answer:
#_electrons = 2 10¹⁰ electrons
Explanation:
For this exercise we can use a direct rule of three proportions rule. If an electron has a charge of 1.6 10⁻¹⁹ C how many electrons have a charge of 3.2 10⁻⁹ C
#_electrons = 3.2 10⁻⁹ ( )
#_electrons = 2 10¹⁰ electrons
Answer:106560 N
Explanation:
Given
Let Tension between 2 and 3 car be and between 3 &4 is
mass of freight car =37,000 kg
acceleration of car
is accelerating all freights behind 3
therefore
Thus