Physics, 27.06.2019 20:50 Ashthegreat
Asurveyor needs to determine the height of a tree. she places a mirror on the ground and paces backwards until she sees the top of the tree reflected in the mirror. she marks where she is standing and then measures the distance from this spot to the mirror which is 1212 feet. she then measures the distance from the mirror to the base of the tree which is 9595 feet. the surveyor's height is 5858 inches from the ground to her eyes. how tall is the tree (in feet) assuming level ground from the surveyor's spot to the mirror and from the mirror to the tree?
Answers: 3
Physics, 21.06.2019 15:30
Which describe reflection? check all that apply. light bounces off a boundary.
Answers: 1
Physics, 21.06.2019 18:00
Acommercial passenger jet can travel up to 970 km/hr at an altitude of 30,000 feet. at this speed, how long will it take the jet to travel 1,865 kilometers? a. 2.3 hrs b. 1.9 hrs c. 1.7 hrs d. 1.5 hrs
Answers: 1
Physics, 22.06.2019 03:00
Do you agree with scientist’s prediction about the warming of alaska and other polar regions?
Answers: 2
Physics, 22.06.2019 03:00
Standing side by side ,you and a friend step off a bridge at different times and fall for 1.6s to the water below.your friend goes first,and you follow after he has dropped a distance of 2.0m.when your friend hits the water,is the seperation between the two of you 2.0m or more than 2.0m? verify your answer with a calculation.
Answers: 2
Asurveyor needs to determine the height of a tree. she places a mirror on the ground and paces backw...
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