An electric vehicle starts from rest and accelerates at a rate of 1. 9 m/s2 in a straight line until it reaches a speed of 30 m/s. The vehicle then slows at a constant rate of 1. 4 m/s2 until it stops. (a) How much time elapses from start to stop? (b) How far does the vehicle move from start to stop.

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 feature of a heating curve indicates a change ofn state

Name the non metal condut electricity