Chemistry, 29.08.2019 02:30, alexislringler
Acar with a mass of 1.1 Γ 103 kilograms hits a stationary truck with a mass of 2.3 Γ 103 kilograms from the rear end. the initial velocity of the car is +22.0 meters/second. after the collision the velocity of the car is -11.0 meters/second. what is the velocity of the truck after this elastic collision?
a.+13 meters/second
b.+20 meters/second
c.+15.7 meters/second
d.+7.5 meters/second
e.+9.8 meters/second
Answers: 1
Chemistry, 22.06.2019 00:00, chameleonsarelife
Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what
Answers: 3
Chemistry, 22.06.2019 22:30, darceline1574
Vi limitens. vastery test select the correct answer. which statement explains why large atoms are more reactive than small atoms? a. large atoms have valence electrons farther from the nucleus and lose them more readily. b. large atoms have greater ionization energy, which they can utilize during a reaction. c. large atoms have a greater number of electrons that they can lose during a reaction. d. large atoms have more energy levels, so they have more energy to pass on in a reaction. reset next
Answers: 3
Acar with a mass of 1.1 Γ 103 kilograms hits a stationary truck with a mass of 2.3 Γ 103 kilograms f...
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