Light from a point source located at the origin gets reflected parallel to the x-axis from a large concave mirror. for a constant, a, the equation describing the shape of the mirror on the x-y plane is (a) y2axa (b) y22ax+a ( c) xay+α' (d) x22ay

Janelle made a hypothesis bout the uneven temperatures inside her house during winter. she believes that 50% of the ducts are blocked and she plans to investigate. if she wants to prove her hypothesis using scientific processes what should she do next?

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

The system is released from rest with the cable taut, and the homogeneous cylinder does not slip on the rough incline. determine the angular acceleration of the cylinder and the minimum coeffi cient s of friction for which the cylinder will not slip.