Physics, 14.09.2019 03:30 06jesher44395
Adriver with a 0.80-s reaction time applies the brakes, causing the car to have acceleration opposite the direction of motion. assume the acceleration is equal to -7.0 m/s^2. a. if the car is initially traveling at 26 m/s, how far does the car travel during the reaction time?
b. how far does the car travel after the brakes are applied and while skidding to a stop?
Answers: 3
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Which of the statements about waves is true? a. in longitudinal waves, particles move perpendicular to the direction the wave is traveling.b. both transverse and longitudinal waves can travel through water c. electromagnetic waves are a type of longitudinal waves.d. in a transverse wave, particles move parallel to the direction the wave is traveling.
Answers: 1
Physics, 22.06.2019 05:50
Astudent wears sunglasses to her read a book more easily which wave interaction occurs as light passes from the air into the plastic lenses? a polarization b.refraction c.diffraction d. interference
Answers: 1
Physics, 22.06.2019 17:20
In a system with only a single force acting upon a body, what is the relationship between the change in kinetic energy and the work done by the force? answers: work is equal to the change in kinetic energy.work depends on the square of the change in potential energy.work is equal to the negative of the change in kinetic energy.work is equal to the square of the change in kinetic energy
Answers: 2
Physics, 22.06.2019 18:30
Acar starts from rest at a stop sign and reaches a velocity of 25 m/s w in 4 seconds. determine the acceleration of the car. question 3 options: a) 6,25 m/s2 b)6.25 m/s c)100 m/s2 d)100 m/s
Answers: 1
Adriver with a 0.80-s reaction time applies the brakes, causing the car to have acceleration opposit...
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