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A 257 kilogram log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 30.0 degree with respect to the horizontal. The coefficient of kinetic friction between the ramp and the log is 0.850, and the log has an acceleration of 0.900 m/s2. Obtain what is the tension in rope. N
question a golf ball is hit and leaves the ground at 35 ms. if its speed is 23 ms at the peak of its path what is the
A hoop of mass M=2 kg, and radius R=0.05 m, is rolling down an inclined plane of vertical height 1 meter, at an angle of 10° above the floor. Find the initial potential energy of the hollow sphere
A mass m = 2.4 kg is at the end of a horizontal spring of spring constant k = 265 N/m on a frictionless horizontal surface. Calculate the angular frequency of the oscillation in rad/seconds
The wave function y(x, t) for a certain standing wave on a string fixed at both ends is given by y(x, t) = 3.70 sin (0.220x) cos (270t), What is the speed of transverse waves on this string
A sensitive gravimeter at a mountain observatory finds that the free-fall acceleration is 7.50×10?3 less than that at sea level. What is the observatory's altitude
a monkey swings on a vine and at the bottom of the swing while moving horizontally lets go of the vine aiming for
a. what rms current is drawn by a 3400-w electric room heater when running on 120 v rms?b. what is the power
a certain toaster has a heating element made of nichrome resistance wire. when the toaster is first connected to a 120
The kinematics and dynamics of rotation around a fixed axis of a rigid body are mathematically much simpler than those for free rotation of a rigid body; they are entirely analogous to those of linear motion along a single fixed direction, which is n..
Jack wants to build a radio to tune to a station at 520 MHz. He has available 0.25 micro hertz inductor, What value of capacitance should be used
A 4.85 mol sample of a diatomic ideal gas (gamma = 1.4) expands slowly and adiabatically from a pressure of 4.05 atm and a volume of 13.5 L to a final volume of 34.5 L.
A particle moving along the x-axis with constant speed has adisplacement of 14 m at t = 1.00 s and a displacement of 42 m at 8.00 s. Plot the displacement versus time graph and determine the particles speed.
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