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Two forces, F? 1 and F? 2, act at a point. F? 1 has a magnitude of 8.20N and is directed at an angle of 60.0? above the negative x axis in the second quadrant. F? 2 has a magnitude of 6.80N and is directed at an angle of 54.0? below the negative x axis in the third quadrant.
What is the x component of the resultant force?
What is the y component of the resultant force?
What is the magnitude of the resultant force?
What is the length of the greatest and thinnest string that can be located under a tension of 860 without breaking .
A 2 kg ball is thrown straight up in the air. What is the net force acting on the ball when it reaches its maximum height?
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Show that the horizontal resultant of these two forces on the lamp is zero. Work out the weight of the lamp.
At one instant a bicyclist is 75m due east of a park's flagpole, going due south with a speed of 13.0 m/s. Then, 10s later, the cyclist is 65 m due north of flagpole, going due east with a speed of 20.0 m/s.
The velocity component of the particle at x = 8.0 m is 2.8 m/s. Illustrate what is the acceleration component during this time interval?
A man weighing 730 and a woman weighing 410 have the same momentum. What is the ratio of the man's kinetic energy to that of the woman.
What is the magnitude of the external force essential to hold a 2 kg cart motionless at the top of a 2m high incline which is 30 degrees.
Let the x axis be parallel to the ground, +y direction be vertically upward, and take as an origin the point on the ground directly below the top of the ramp.
What is the magnitude of the vertical component of its velocity as it strikes the ground.
Find out the maximum distance d (along the ladder) that the monkey can climb up the ladder before rope breaks.
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