2 A body of mass 0.2kg is exisicuting SH. M with an amplitude force of 20 milimeter. Caterlate the maximum, which act alon it is 0.064 N. Calculate It's maximum velocity and It's period of oscillation ​

Ascientist is tracking an object orbiting the sun that is found between mars and jupiter. in order to classify the object as an asteroid, it must be at least

Ascientist notices that an oil slick floating on water when viewed from above has many different colors reflecting off the surface, making it look rainbow-like (an effect known as iridescence). she aims a spectrometer at a particular spot and measures the wavelength to be 750 nm (in air). the index of refraction of water is 1.3

Why is the basic problem of economic,scarcity, a universal problem?