A projectile is shot from the edge of a vertical cliff 60.0 m above the ocean. It has a speed of 100 m/s and is fired at an angle of 35.0° above the horizontal. How far from the foot of the vertical cliff does the projectile hit the water?
A) 126 m
B) 312 m
C) 684 m
D) 1080 m
E) 540 m
D
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Which of the following statements about sewage is not true?
A) All municipalities must treat sewage the same way. B) All municipalities must treat sewage. C) Once treated, sewage is released to the environment. D) Treated sewage becomes drinking water downstream. E) None of the above are true.
All the planets move about the Sun in randomly oriented orbits.
Answer the following statement true (T) or false (F)
In which case would the net force due to water pressure on a solid object be greater?
(i) when the object is in water at 100-meter depth (ii) when the object is in water at 200-meter depth
1.(i) 2.(ii) 3.Choices (i) and (ii) would have the same net force due to the water on them. 4.It depends on the orientation of the object.A source emits sound at a fixed constant frequency f.If you run towards the source, the frequency you hear is lower than f
a. True b. False Indicate whether the statement is true or false