Two identical grasshoppers jump with the same initial speed. Grasshopper A goes straight up, but grasshopper B goes up at a 66° angle above the horizontal. Assume no air resistance and choose your system to be grasshopper-Earth
Which of the following statements about these grasshoppers are correct? (There could be more than one correct choice.) A) At their highest point, both systems have the same amount of gravitational potential energy.
B) At their highest point, both systemshave the same amount of kinetic energy.
C) At their highest point, both systemshave the same amount of mechanical energy.
D) At their highest point, grasshopper B is moving faster than grasshopper A.
E) At their highest point, the system grasshopper A-Earth has more gravitational potential energy than the system grasshopper B-Earth.
C, D, E
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A. 0.70
B. 0.50
C. 0.35
D. 0.25
E. 0.00
200 Joules of heat flows into a 35 g sample. If the temperature increases by 10then what is the heat capacity of the sample, in J/
C?
A. 8.0 B. 12 C. 16 D. 20 E. 32
When you ______ an image, you select the part of the image you want to keep and remove the unwanted portion.
A. compress B. rasterize C. crop D. focus
What do we mean when we say that electron energy levels in atoms are quantized?
What will be an ideal response?