A positively charged ion is called a(n) ______________
Fill in the blank(s) with correct word
cation
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Work: Matthew pulls his little sister Sarah along the horizontal ground in a wagon. He exerts a force on the wagon of 60.0 N at an angle of 37.0° above the horizontal. If he pulls her a distance of 12.0 m, how much work does Matthew do?
A. 185 J B. 433 J C. 575 J D. 720 J
A floating leaf oscillates up and down two complete cycles in one second as a 10-meter long water wave passes by. What is the wave's speed?
A) 2 m/s B) 10 m/s C) 20 m/s D) 40 m/s E) more than 40 m/s
Wiley Coyote has missed the elusive roadrunner once again. This time, he leaves the edge of the cliff at 50.0 m/s horizontal velocity. If the canyon is 100 m deep, how far from the edge of the cliff does the coyote land?
Which of the following layers of the Earth is unique among the terrestrial planets?
A) hydrosphere B) ionosphere C) mantle D) crust E) core