A150-kg object takes 1.5 minutes to travel a 2,500-meter straight path. it begins the trip traveling 120 m/s and decelerates to a velocity of 20 m/s. what was its acceleration?

Apair of 10μf capacitors in a high-power laser are charged to 1.7 kv.a. what charge is stored in each capacitor? b. how much energy is stored in each capacitor?

In which of the following is positive work done by a person on a suitcase

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