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A meter stick is supported on a fulcrum at the 39 cm mark. A 0.50 kg object is hung from the zero end of the meter stick, and the stick is balanced horizontally. What is the mass of the meter stick?
Two cars, A and B, travel in a straight line. The distance of A from the starting point is given as a function of time by XA (t)=at+Bt^2, Which car is ahead just after they leave the starting point
A projectile is fired in such a way that its horizontal range is equal to 4.5 times its maximum height. What is the angle of projection?
a 90kg box is pushed by a horizontal force F at a constant speed up a ramp inclined at 28 degrees. Determine the magnitude of the applied force
A cup of coffee is on a table in an airplane flying at a constant altitude and a constant velocity. The coefficient of static friction between the cup and the table is 0.170 .
The population of a community was 12500 in 1985 and 36000 in 2000. Find the time it takes the population of this town to double
A cube of wood having an edge dimension of 22.0 cm and a density of 650 kg/m3 floats on water. What is the distance from the horizontal top surface of the cube to the water level?
What is instantaneous acceleration
find the work done to move the particle from x = 0 to x = 10.0 m by graphically determining the area under the F versus x graph. (Do this on paper. Your instructor may ask you to turn in this graph.)
the position of a particle is given by the expression x=4cos(3pt+p), where x is in meters and t is in seconds. estimate the frequency and the period of the motion
Spaceship A moves away from earth at a velocity of uxA= -0.50 c and spaceship B at uxA= 0.70c, uyB= -0.20c uzB=0.30c. How fast is B's velocity in A's reference frame
A car entering a freeway ramp accelerates from 14 m/s to 25 m/s in 10 seconds. what is the cars average acceleration during this 10 seconds.
A student in a parked car honks the horn, which has a `proper' frequency of 310 Hz. Calculate the speed of the approaching vehicle
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