An object of height h = +3 cm is placed at a distance of 5 cm in front of a concave spherical mirror with focal length of magnitude 10 cm. The height of the
image is:

Abucket full of water weights 4 kg and water well is 10m deep. a girl draws water from the well. it takes the girl 3 minutes to draw a bucket full of water from the well. what is the power of the girl?

Aflute player hears four beats per second when she compares her note to a 523 hz tuning fork (the note c). she can match the frequency of the tuning fork by pulling out the “tuning join” to lengthen her flute slightly. what was her initial frequency?

Atoms in a molecule are bonded together by sharing gaining or losing_