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An object (3.7kg) is lifted 4.6 m above the ground and thendropped to the ground. What is the object's Pe at the top ofthe lift? How long will the object take to fall to the ground? Howfast will the object be going just prior to hitting theground? What Ke will the object have just before it hits theground? How much work did gravity do on the object?
A projectile launcher has a muzzle velocity of 15m/s and is aimed 60 degree above the horizontal. How far horizontally did the ball travel before it hit the floor
A sun yacht is a spacecraft with a large sail that is pushed by sunlight. Although such a push is tiny in everyday circumstances, What is the magnitude of the resulting acceleration
How much work did the movers do (horizontally) pushing a 150- crate 10.2 across a rough floor without acceleration, if an effective coefficient of friction was 0.50.
The human body has a surface area of approximately 1.8 m^2, a surface temperature of approximately 30 degrees celsius, how many photons per second does the body emit
A proton is located at the origin, and a second proton is located on the x-axis at x=6.00 fm. (a) compute the electric potential energy associated with this configuration.
The angular position of a pendulum is represented by the equation given below where ? is in radians and ? = 4.12 rad/s. Determine the period and length of the pendulum
The expression found in part (d) is a cubic equation. There are standard algebraic solutions to this type of equation, but it is sometime quicker and easier to use other methods. explain a way to get a reasonably accurate estimate of v (say, to th..
Two vectors, A and B are added by means of vector addition to give a resultant vector R:R=A+B. What are the maximum and minimum possible values for the magnitude of R
A charge of +1.80 mC is located at x = 0, y = 0 and a charge of -4.09 mC is located at x = 0, y = 3.16 m. What is the electric potential due to these charges at a point with coordinates x = 4.09 m, y = 0.
The speed of a longitudinal wave in a mixture of helium and neon at 300k was found to be 758m/s. what is the composition of the mixture
A 50 g ball isreleased from rest 1.0 m above the bottom of the track shown in the figure . It rolls down a straight 30 degree, segment, then back up a parabolic segment whose shape is given byy=1/4x2, where x and y are in meters.
wo sources produce coherent light waves that come together at a detector located 1.60000 mm from one source, what is the longest possible value for the wavelength
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