A freely falling boulder has a speed of 30 m/s at one instant. Exactly 2 seconds later, its speed will be
A. more than 50 m/s.
B. 50 m/s.
C. the same.
D. 40 m/s.
Answer: B
Environmental & Atmospheric Sciences
You might also like to view...
The origin of multicellular life proceeded through the mechanism of endosymbiosis. Indicate whether the statement is true or false
Environmental & Atmospheric Sciences
Which of the following cloud types is vertically developed?
A. cirrostratus B. cumulus C. stratocumulus D. altostratus
Environmental & Atmospheric Sciences
How does the relationship between temperature and density help to explain why the drop in pressure between 2 km and 4 km was greater at Fairbanks than at Key West?
What would be an ideal response?
Environmental & Atmospheric Sciences
____ acid deposition usually occurs near to emission point sources, whereas ____ acid deposition usually takes place in more distant down wind areas.
A. Dry; wet B. Wet; dry C. Wet; wet D. Dry; dry E. Primary; secondary
Environmental & Atmospheric Sciences