A resultant force of 4. 0n acts on an object of mass 0. 50 kg for 2. 0 second. What is the change in the velocity caused by this force?.

Healing after the death of a loved one is most difficult when: a) the bereaved is not allowed to mourn in the way he or she wishes b) the death is a long, protracted one c.) a period of grief has already elapsed d) no other mourners are present

Winds are formed from the sun's uneven heating of the earth's atmosphere. the wind patterns are altered by bodies of water, different landforms, and plant cover. because of this, the wind is considered a form of

The smokey mountains have over 2,100 miles of rushing mountain streams and rivers that flow through the park. in each mile lives a diverse community of native fish, amphibians, insects, and larvae, some of which are found only in the southern appalachians. park managers and scientific researchers test many factors such as fish populations, the watersheds and water tests to determine a) too many lizards are present b) the water quality of the stream c) rainwater is running into local streams d) if visitors to the park are overstaying their welcome