Apolice car is stopped at a red light facing west. when the light turned green, a sports car speeds past it heading west at with
a constant velocity of 21 m/s. if the police car has a constant acceleration west at 3 m/s, how many seconds will it take to catch
up to the sports car? answer using only a numeric value, no units.
Answers: 1
Physics, 21.06.2019 16:00
Why does the input force have to be greater than the force needed to lift the bale?
Answers: 3
Physics, 22.06.2019 09:00
In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final
Answers: 1
Physics, 23.06.2019 10:00
The standard cell potential (e°cell) for the reaction below is +0.63 v. the cell potential for this reaction is when the concentration of zn2+ = 1.0 m and the concentration of pb2+ = 2.0 x 10-4 m. pb2+(aq) + zn(s) > zn2+(aq) + pb(s)
Answers: 2
Physics, 23.06.2019 14:20
Which statement is an example of the law of conservation of energy? a soccer ball eventually stops because its energy disappears. when a light bulb is turned on, electrical energy is converted to light and heat. an automobile engine burns gasoline to converts its chemical energy to electrical energy.
Answers: 1
Apolice car is stopped at a red light facing west. when the light turned green, a sports car speeds...
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