Which situation describes a non-contact force changing the speed of an object?(1 point) a gust of wind blowing a leaf away

a drawer opening when a user pulls the handle

a bicycle accelerating as the rider pedals more quickly

a ball accelerating as it rolls down a hill

Which of the following is not a part of the respiratory system? a. pharynx b. trachea c. pancreas d. larynx

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.

Examine the nuclear reacti why is this classified as a nuclear reaction rather than a chemical reaction? it is not balanced. a new compound is formed. a change has occurred in a nucleus. a new element has been formed.