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Questions (17)
When a wheel of radius R rotates about a fixed axis, do all points on the wheel have
1) The same angular velocity? Explain. 2)
2 answers
1,018 views
The flywheel of a steam engine begins to rotate from rest with a constant angular acceleration of 1.41 rad/s2. It accelerates
2 answers
695 views
Your friend has decided to make some money during the town tombola by inventing a game of skill that can be installed. In the
0 answers
501 views
An artillery shell is launched on a flat, horizontal field at an angle of a = 43.5° with respect to the horizontal and with an
1 answer
734 views
A cannon is fired from a cliff 190 m high downward at an angle of 21° with respect to the horizontal. If the muzzle velocity is
1 answer
610 views
A cannon is fired from a cliff 190 m high downward at an angle of 21° with respect to the horizontal. If the muzzle velocity is
0 answers
502 views
An artillery shell is launched on a flat, horizontal field at an angle of a = 43.5° with respect to the horizontal and with an
2 answers
901 views
What is the angle between vector b and the positive x-axis?
b = -18.2 x + 6.4 y
1 answer
376 views
Can a vector have a component equal to zero and still have a nonzero magnitude? Explain.
2 answers
1,469 views
You and your friend are leaning over the edge of the roof of a tall building. At the same instant you throw a baseball straight
1 answer
1,079 views
Marie shoots an arrow vertically upward at a sandhill crane. If the arrow travels to a maximum height of 99.5 meters, calculate
1 answer
645 views
You and your friend are leaning over the edge of the roof of a tall building. At the same instant you throw a baseball straight
1 answer
1,169 views
Marie shoots an arrow vertically upward at a sandhill crane. If the arrow travels to a maximum height of 99.5 meters, calculate
0 answers
536 views
You and your friend are leaning over the edge of the roof of a tall building. At the same instant you throw a baseball straight
2 answers
1,198 views
Marie shoots an arrow vertically upward at a sandhill crane (she misses the crane, so you PETA members can relax). If the arrow
1 answer
1,777 views
At the instant a traffic light turns green, a car starts from rest with a given constant acceleration 0.5 m/s^2. just as the
1 answer
1,117 views
At the instant a traffic light turns green, a car starts from rest with a given constant acceleration 0.5 m/s^2. just as the
1 answer
930 views
Answers (2)
so if one component is zero, the other one has to be parallel to the x-axis or y-axis?
thank you
