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A 63kg person rides in a 30kg cart moving at 14m/s at the top of a hill that is in the shape of an arc of a circle with a radius of 30m.
a) What is the apparent weight of the person as the cart passes over the top of the hill? (newtons)
b) Determine the maximum speed that the cart may travel at the top of the hill without losing contact with the surface.
Suppose the velocity of a bug as a function of time is given by the following function between 0 and 2 s, Find the average speed of the bug for the whole two second trip
An astronaut stands by the rim of a crater on the moon, where the acceleration of gravity is 1.62 m/s2. what is the depth of the crater
Four charges are located in a plane as follows: q1 = -5 uC at (4,0) m; q2 = -3 uC at (4,4) m; q3 = -4 uC at (0,4) m; q4 = -2 uC at (0,0) m. Find the magnitude and direction of the resultant field at (2,2)
Small steel ball bearing with a mass of 17 g is on a short compressed spring. When aimed vertically and suddenly released, the spring sends the bearing to a height of 1.39m. Calculate the horizontal distance ball would travel if the same spring we..
Two tiny conducting spheres are identical and carry charges of -18.2 ?C and +50.3 ?C, What is the magnitude of the force that each sphere experiences
suppose that r2/r1 = 10.0 cm and ignoring any air inside the shell, find the temperature of the outer surface of the shell.
As a person walks, the femur (upper leg bone) slides in a socket in the hip, Find the frictional force on the bone in the hip joint
Derive the speed of the wave water in a shallow pool of water of depth y. You may consider using a method similar to the derivation of the sound wave equation
the rms current produced by a single coil of an electric guitar is 0.025A. How large is the maximum instantaneous current
An electron with speed v0 =4.16×106m/s is traveling parallel to and along the same direction as an electric field of magnitude E = 7.90×103N/C, How far will the electron travel before it stops
A 1 m long pedulum with a 2kg mass is pulled back 0.1m and after that released, so that it swings back and forth. How did they solve T= 2.007 seconds.
A 2.00-m-long rope has a mass of 0.100 kg, What is the frequency of the oscillator if the power transmitted is 120 W
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