You have a two-wheel trailer that you pull behind your atv. two children with a combined mass of 76.2 kg hop on board for a ride through the woods and the springs (one for each wheel) each compress by 6.17 cm. when you pull the trailer over a tree root in the trail, it oscillates with a period of 2.09 s. determine the following. (a) force constant of the springs? n/m

(b) mass of the trailer? kg

(c) frequency of the oscillation? hz

(d) time it takes for the trailer to bounce up and down 10 times? s

Why do electron microscopes have higher resolving power than light microscopes?

Avalue that describes how heavy an object is and is related to the force of gravity is

In which situation has the independent variable for the experiment been changed? check all that apply. changed from counting the number of duckweed at day 0 and day 14 to counting them every day changed from testing duckweed growth in beakers to testing duckweed growth in large outdoor tanks changed from testing the effect of ph on duckweed growth to testing the effect of light levels on duckweed growth changed from testing the effect of acid ph on duckweed growth to testing the effect of basic ph on duckweed growth