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Two protons are located on a coordinate plane, the first on the x-axis at 1.0 m and the second on the y-axis at 1.5 m. Determine a) the electric potential at the origin, and b) the electric potential energy of a third proton located a the origin.
Rose is sledding down an ice covered hill inclined at an angle of 15o with the horizontal. If rose and the sled have a combined mass of 54.0 kilogram, determine what is the force pulling them down
The takeoff speed for an Airbus A320 jetliner is 76m/s. Velocity data measured during takeoff are as follows: V= 0, 21, 42, 63. t= 0, 10, 2. What is the jetliner's acceleration during takeoff
A major-league pitcher can throw a baseball in excess of 48.7m/s. If a ball is thrown horizontally at this speed, how much will it drop by time it reaches the catcher who is 15 m away from the point of free.
A man pushes a box of mass M with a force F using a stick AB of mass m and making a angle θ with the vertical. The coefficient of friction between the box and the floor is μ. Draw a clear diagram showing all the forces.
A train traveling east at a speed of 25.0 m/s moving directly awayfrom a stationary observer. a strong, steady wind of 20.0 m/s isblowing from east to west. At a distance of 50.0 meters away fromthe observer, the train's whistle is blown and the o..
questionconsider a person m80 kg standing on the flat horizontal ground at a location on the equator of thenbspearth.
Draw the shear and moment diagram for the beam shown. Label all the values
a hammer strikes one end of a thick iron rail of length 8.5 m. a microphone located at the opposite end of the rail
John carries one heavy box and kicks the other box so that it slides for a little bit and then stops, and he continues this until he reaches his destination. His kicks to the box have an acceleration of magnitude 4m/s^2. What is the coefficient of ki..
A bicycle wheel slows down uniformly to rest over a ditance of 45 m becuase the bicyclist sees something int he road ahead. What is the wheels inital angular velocty
A particle of mass 3 kilogram is attached to a spring with a force constant of 300 N/m. It is oscillating on a horizontal frictionless surface with amplitude of 2.00 m. Determine how does the period change
What is the net force exerted on the skier, assume his acceleration is constant.
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