Which statements about braking a car are true?
The greater the kinetic energy of a car, the longer it takes for the car to stop.
The lower the kinetic energy of a car, the longer it takes for the car to stop.
If the speed of a car doubles, the car’s kinetic energy and braking distance quadruple.
If the speed of a car doubles, the car’s kinetic energy and braking distance remain the same.
Answers: 2
Another question on Physics
Physics, 22.06.2019 00:40
The rigid beam is supported by the three suspender bars. bars ab and ef are made of aluminum and bar cd is made of steel. if each bar has a cross-sectional area of 450 mm2, determine the maximum value of p if the allowable stress is (σallow)st = 200 mpa for the steel and ( σallow)al = 150 mpa for the aluminum. est = 200 gpa and eal = 70 gpa.
Answers: 1
Physics, 22.06.2019 07:00
Oxygen and hydrogen gas are at the same temperature t.what is the ratio of kinetic energies of oxygen molecule and hydrogen molecule if oxygen is 16 times heavier than hydrogen.
Answers: 3
Physics, 22.06.2019 10:30
If y gets smaller as x gets bigger and y have an relationship?
Answers: 1
You know the right answer?
Which statements about braking a car are true?
The greater the kinetic energy of a car, the longer...
Questions
Mathematics, 07.10.2019 04:10
Mathematics, 07.10.2019 04:10
Mathematics, 07.10.2019 04:10
Mathematics, 07.10.2019 04:10
Biology, 07.10.2019 04:10
Advanced Placement (AP), 07.10.2019 04:10
Biology, 07.10.2019 04:10
Mathematics, 07.10.2019 04:10
Mathematics, 07.10.2019 04:10
Physics, 07.10.2019 04:10
English, 07.10.2019 04:10
