Physics, 05.10.2019 01:00 neidaq12345
30 ! i need asap, if someone comments just for points, or is incorrect just for points i will report! !
1.) a cue ball rolls with a speed of 1.8 m/s at an angle of 24 degrees relative to the edge of the billiards table. how large is the component of the velocity parallel to the edge of the table?
a) 0.73 m/s
b) 1.6 m/s
c) 1.8 m/s
d) 13 m/s
2.) a snowboarder travels 150m down a mountain slope that is 65 degrees above horizontal. what is his vertical displacement?
a) 32.5m
b) 58.9m
c) 63.4m
d) 135.9m
3.) a tennis player hits a ball at an angle of 50 degrees above horizontal so that it has an acceleration of 12 m/s². what is the horizontal component of the acceleration?
a) 7.7 m/s²
b) 9.2 m/s²
c) 10.4 m/s²
d) 48.9 m/s²
Answers: 1
Physics, 22.06.2019 14:40, kellypechacekoyc1b3
Asolid cylinder and a cylindrical shell have the same mass, same radius, and turn on frictionless, horizontal axles. the cylindrical shell has light-weight spokes connecting the shell to the axle. a rope is wrapped around each cylinder and tied to blocks of equal masses that are held the same height above the ground. both blocks are released simultaneously. the ropes do not slip. which block hits the ground first? or is it a tie?
Answers: 3
30 ! i need asap, if someone comments just for points, or is incorrect just for points i will repo...
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