A toy cannon launches a 46-g golf ball straight up into the air with a kinetic energy of 6.8 J. What must the
ball's velocity be as it leaves the cannon?
A. 0.54 m/s
B. 0.79 m/s
C. 17 m/s
D. 80 m/s

Not all tiles will be usedidentify the element present in each star based on the gaps observed in wavelengths of its light refer to this table containing absorption wavelengths (in nm) of several different elements the table ishelium 447, 502 ,587 ,668carbon 427 ,515, 600 ,678sulfur 425, 565, 639, 675xenon 484, 590, 687calcium 429 ,527, 593, 645silver 421 ,521, 662

Determine the maximum r-value of the polar equation r =3+3 cos 0

The system is released from rest with the cable taut, and the homogeneous cylinder does not slip on the rough incline. determine the angular acceleration of the cylinder and the minimum coeffi cient s of friction for which the cylinder will not slip.