An object is undergoing shm with period 0.71 s and amplitude 0.32 m. at time t = 0, the object is at 0.20 m and moving in the positive x direction. a. find the phase constant for this shm. b. what is the object's velocity at t = 0? c. when is the first time this object is at x = 0.32 m? d. find maximum velocity and maximum acceleration of the object.

Determine the expected diffraction angle for the first-order reflection from the (310) set of planes for bcc chromium when monochromatic radiation of wavelength 0.0735 nm is used. the atomic radius for cr is 0.1249 nm.

(2) (a) you have a simple circuit that consists of only a battery (δvbat=1.5v) and two resistors with resistance r1=10ω and r2=5ω, connected in series with each other. what is the current running through the battery? (b) you re-arrange your circuit so now r2 is attached in parallel to r1 rather than in series. what is the current running through the battery? (c) you add an additional resistor r3=7ω on the same branch as r2. what is the current running through the battery? (d) what is the power dissipated in r3?

In a series circuit the __ is the same at every point