Weighing 15,000 N is parked on a 10 m2 hydraulic lift platform. What is the area of a small piston if a 1,100 N nozzle is used to lift the vehicle?

Two large, flat, horizontally oriented plates are parallel to each other, a distance d apart. half way betwween the two plates the electric field has magnitude e. if the separation of the plates is reduced to d/2 what is the magnitude of the electric field half way between the plates?

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 quantities are scalars? choose all that apply a. distance b. speed c. acceleration d. velocity