What can be the maximum value of the original kinetic energy of disk A so as not to exceed the maximum allowed value of the thermal energy

Gunpowder residue is most likely to show up where on a shooters hands

What is the weight of a feather (mass = 0.0001 kg) that floats through earth's and the moon's atmospheres?

Select all the correct answers. which changes will increase the rate of reaction during combustion? decreasing the area of contact between the reactants adding more oxygen to the reaction removing heat from the reaction changing the reactants from solid form to powdered form lowering the exposure of the reactants to air