An object is placed at point P in front of a plane mirror as shown. How will the magnitude of the image distance change if the object is moved to the left, which is farther away from the mirror?

Astudent pushes on a 20.0 kg box with a force of 50 n at an angle of 30° below the horizontal. the box accelerates at a rate of 0.5 m/s2 across a horizontal floor. what is the value of the normal force on the box? 200 n 243 n 156 n 225 n

Photons with the highest energy have the longest period

Awave has a wavelength of 7 mm and a frequency of 19 hertz. what is its speed?