When a 5.0kg cart undergoes a 2.2m/s increase in speed, what is the impulse of the cart

Acertain radio station broadcasts radio waves that have a wavelength of 298cm what is its broadcast frequency?

Which basic property determines a colored light's placement on the spectrum of visible light? a. speed b. frequency c. amplitude d. velocity

Point charges q1=+2.00μc and q2=−2.00μc are placed at adjacent corners of a square for which the length of each side is 1.50 cm . point a is at the center of the square, and point b is at the empty corner closest to q2. take the electric potential to be zero at a distance far from both charges. part a what is the electric potential at point a due to q1 and q2? express your answer with the appropriate units.