Achild in a tree house uses a rope attached to a basket to lift a 24 n dog upward through a distance of 4.9 m into the house.
how much work does the child do in lifting the dog?

According to newton’s first law of motion, which force is expected to cause a body to accelerate?

Starting with only the balmer series light (visible light), how could we ensure that the solar panels generate a current that mark can use for his power station? a)by gradually increasing the brightness (amount) of light that we shine on it. b)by gradually increasing the frequency of the light we shine on it. c)by gradually increasing the wavelength of the light that we shine on it.

Determine the maximum r-value of the polar equation r =3+3 cos 0