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A 4.30 kg block is pushed along the ceiling with an constant applied force of F = 71.5 N that acts at an angle ? = 65° with the horizontal, as in the figure below. The block accelerates to the right at 6.36 m/s2. Determine the coefficient of kinetic friction between the block and the ceiling.
In the "World's Strongest Man" competition, one event is to pull a 2370 kg truck for 5 m. What is the least amount of force
A 1200 kg satellite completes one circular orbit of the earth every 90 minutes. Determine the radius of the satellite's orbit
A centripetal force of 205 N acts on a 1,350-kg satellite moving with a speed of 4,900 m/s in a circular orbit around a planet. What is the radius of its orbit
An arteriole has a length of 1.25 mm and a radius of 21.9 (mili meter) The blood pressure drop along the arteriole is 1310 Pa. Calculate the flow rate through the arteriole
A 19.0 -kg box is released on a 37 incline and accelerates down the incline at 0.30 m/s^2. Find the friction force impeding its motion
Laser light at 635 falls on a double-slit apparatus with slit separation 6.9 .Find out the separation between the third and fourth bright fringes, as seen on a screen 1.4 from the slits.
A subway train has three cars, each weighing 1.20 x 105 N. The frictional force on each car is 103 N, and the first car, acting as an engine, What is the tension between the second and third cars
A crate of weight W is being pushed across a horizontal surface by a force directed at an angle of 20 degrees below the horizontal. find the magnitude of the normal force on the crate
In a Compton scattering experiment, an x-ray photon scatters through an angle of 17.4° from a free electron that is initially at rest. Calculate the wavelength of the incident photon
A building made with a steel structure is 596 m high on a winterday when the temperature is 0?F. How much taller is the building when the temperature is T = 104?F? (The linearexpansion coefficient of steel is α = 1.1 ×10−5 (?C)−1.)
The telescope at a small observatory has objective and eyepiece focal lengths of 16.0 m and 12 cm, respectively. determine angular magnification of the telescope
A running 61-kg cheetah has a top speed of 30 m/s. What is the cheetah's maximum kinetic energy
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