Gina is driving her car down the street. she has a teddy bear sitting on the back seat. a dog runs in front of gina's car, so she quickly applies the brakes. the force of the brakes causes the car to stop, but the teddy bear continues to move forward until it hits the car's dashboard.
the teddy bear did not stop at the same time as the car because
a.
only objects touching the earth's surface can be acted upon by an outside force.
b.
objects in motion can only be stopped by the application of a balanced force.
c.
more force is required to stop softer objects than to stop harder objects.
d.
objects in motion tend to stay in motion unless acted upon by an outside force.
Answers: 1
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Using this reversible reaction, answer the questions below: n2o4 2no2 (colorless) (reddish-brown) -as the temperature increased, what happened to the n2o4 concentration? -was the formation of reactants or products favored by the addition of heat? -which reaction is exothermic? right to left or left to right? -if the change of enthalpy of this reaction when proceeding left to right is 14 kcal, which chemical equation is correct? n2o4 2no2 + 14 kcal n2o4 2no2, hr = +14 kcal n2o4 + 14 kcal 2no2 n2o4 2no2, hr = -14 kcal
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What is the significance sodium hydroxide and hydrochloric acid
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Gina is driving her car down the street. she has a teddy bear sitting on the back seat. a dog runs i...
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