To lift a load of 100 n a distance of 1 m an effort of 25 n must be applied over an inclined plane of length 4 m. what must be done to lift the load 2 m, using the same effort? a) use an inclined plane of length 8 m. b) use an inclined plane of length 2 m. c) use an inclined plane of length 10 m. d) use an inclined plane of length 16 m.

How many neutrons does element x have if it’s stormy umber is 33 and it’s mass number is 95?

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 best describes how fluids change as they travel through different portions of the convection currents? they change to solids at the outer portion of the convection currents. they change to solids at the inner portion of the convection currents. they become more dense at the outer portion of the convection currents. they become more dense at the inner portion of the convection currents