A car is merging onto the expressway with an acceleration of 1.77 m/s2. When it begins down the ramp the car is traveling at a speed of 40
km/hour (11.1 m/s). How long will it take for the car to reach a speed of 88.0
km/hour? (24.4 m/s) *

Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.

Which situation will produce the greatest change of momentum

Is there a point between a 10 nc charge and a 20 nc charge at which the electric field is zero?