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Three horizontal forces (the only horizontal ones) act on a box sitting on a floor. One (call it F1) acts due east and has a magnitude of 150lb. A second force (call it F2) has a westerly compontent of 30.0 lb and a southerly component of 40.0 lb. The box remains at rest. (Neglect friction.) Find the magnitude of the third force.
A flight attendant pulls her 71 N flight bag a distance of 322 m along a level airport floor at a constant velocity. The force she exerts is 36 N at an angle of 53° above the horizontal.
The height of an empty can is H, and the mass M. The mass of a full can is m, What is the center of mass of the can as a function of x? h is the height from the bottom to the surface
If an automobile rounds this curve at 30 {rm m/s}, illustrate what is the minimum coefficient of static friction between tires and road needed to prevent skidding?
draw a motion diagram, using the particle model, showing the cars velocity vectors as seen from a helicopter hovering over the highway.
Two point charges have a total charge magnitude of 576 µC. When placed 1.19 m apart, the force each exerts on the other is 20.2 N and is repulsive. What is the charge magnitude on each? Please include solution.
A particle with a charge of q = -5.10 nC is moving in a uniform magnetic field of vec{B}=( -1.24 T ) hat{z}. The magnetic force on particle is measured to be vec{F}= ( -7.60×10-7 N )hat{y}.
Physics - Speed and Direction, Driving along a crowded freeway, you notice that it takes a time t to go from one mile marker to the next.
The x position of (a) is 8.6 m. The y position of (b) is 8.68 m. The wave travels at a speed of 3.2 m/s. What is the amplitude of the wave?
The coefficient of kinetic friction between dresser and the floor is and is the acceleration because of gravity. The floor exerts upward normal forces with magnitudes and where the dresser's legs rest on the floor. Note that this is a 2-dimensiona..
An anchor shoots an arrow with a velocity of 45 m/s at the angle of 50 degrees with the horizontal.An assistant standing on the level ground 150 m downrange from the launch point throws an apple straight up into the air at th right time and speed ..
You push a 2.7 kg box with a force of 23.8 N along a level floor, but a frictional force of 3.3 N opposes the motion
moves through its horizontal position at (B) and up to (C) where it stops with 2 = 109.0o, and then falls back down. Friction at the pivot is negligible. Compute the speed of the CM at (B).
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