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A 205 kg log is pulled up a ramp by means of a rope that isparallel to the surface of the ramp. The ramp is inclined at30% with respect to the horizontal. The coeffecient ofkinetic frictin between the log and the ramp is 0.900 and the loghas an acceleration of 0.800 m/s2. Find the tension in the rope.
A block of mass m = 300 g is released from rest and slides down a frictionless track of height h = 70.6 cm. What is the value of the spring constant k
The length of a table in the laboratory was measured as 182.36 cm, What is the relative uncertainty of the length, What is the uncertainty of the length
Find the maximum temperature in a Carnot cycle operating in a room-temperature (25?C) environment if its Carnot efficiency is 0.2
What is kinetic energy of the shell
When any radioactive dating method is used, experimental error in the measurement of the sample's activity leads to error in the estimated age. find the age of the fossils
An airplane with a speed of 89.1 m/s is climbing upward at an angle of 48.4 ° with respect to the horizontal. determine the angle of the velocity vector of the package just before impact
An electron moving in the positive x-direction passes through a slit of width ?y = 95.5 nm. What is the minimum uncertainty in the electron's velocity in the y-direction
A 405 Hz sound wave travels through a substance. The wavelength of the sound wave is measured to be 2.7 meters. What is the speed of sound in the substance
The electricity received at an electric substation has a potential difference of 2.80 10^5V. If the requires output is 440V, what must be the ratio of the turns of the step-down transformation.
Given: G = 6.67259 × 10?11 Nm2/kg2 A small Moon of a planet has an orbital period of 0.714 days and an orbital radius of 3.63 × 105 km. From these data, determine the mass of the planet.
question1a skateboarder shoots off a ramp with a velocity of 5.3ms engaged at an angle of 59 degrees above the
Consider the 30N weight held by two cables shown below. The left-hand cable is horizontal. What is the tension in the cable slanted
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