Physics, 07.01.2022 01:40, Imagine2013
Engineers are constructing safety features called crash attenuators on highways to help minimize the impact of car collisions based on Newton's second law and impulse. The equation for impulse is shown below. The diagram below shows a model of a crash attenuator. Image courtesy of NTSB The arrow points in the direction of a possible moving vehicle. Which statement best explains how the engineers want to design the crash attenuator for safety? A. They want to decrease Δt so that the impact force will decrease. B. They want to increase Δt so that the impact force will decrease. C. They want to decrease Δt so that Δv will decrease. D. They want to increase Δt so that Δv will decrease.
Answers: 3
Other questions on the subject: Physics
Physics, 22.06.2019 04:00, binodkharal2048
Which configuration would produce an electric current? a) rotate a coil of copper wire between two magnets. b) connect a wire between a copper and zinc strip sitting in a beaker of water. c) connect a wire to the (+) positive end of a battery and the other end to a light bulb. d) connect a wire to the negative end of a battery and the other end to a light bulb.
Answers: 2
Physics, 22.06.2019 11:50, morenodonaldo762
The electric field between square plates of a parallel-plate capacitor has magnitude e. the potential across the plates is maintained with constant voltage by a battery as they are pulled apart to twice their original separation, which is small compared to the dimensions of the plates. the magnitude of the electric field between the plates is now equal to a)e b)e/4 c)e/2 d)4e e)2e
Answers: 1
Do you know the correct answer?
Engineers are constructing safety features called crash attenuators on highways to help minimize the...
Questions in other subjects:
History, 20.02.2021 19:00
Business, 20.02.2021 19:00
