A 1 300-kg automobile moving at 21 m/s has the brakes applied with a deceleration of 3.0 m/s2 . How far does the car travel before it stops?
a. 7.4E+1 m
b. 1.5E+2 m
c. 2.9E+5 m
d. 2.3E+4 m
e. 4.3E+2 m
a
Physics & Space Science
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The force that holds two atoms together is called a(n) ________
Fill in the blank(s) with the appropriate word(s)
Physics & Space Science
An automobile and a golf cart traveling at the same speed collide head-on. The impact force is
A) greater on the automobile. B) greater on the golf cart. C) the same for both.
Physics & Space Science
What class of asteroids is a threat to Earth and other terrestrial planets? Why?
What will be an ideal response?
Physics & Space Science
Calculate the entropy change of the lead that occurs when 2.00 kg of lead at 40.0°C are placed in a very large quantity of water at 10.0°C. The specific heat of lead is 0.031 cal/(g?K)
A) -12.6 J/K B) 86.0 J/K C) -26.1 J/K D) -86.0 J/K E) -6.24 J/K
Physics & Space Science