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Two rectangular blocks are stacked on a table. The lower block has a mass of 38.6 kg and upper block has a mass of 3.40 kg. The coefficient of kinetic friction among the lower block and the table is 0.260. The coefficient of static friction among the blocks is 0.551. A string is attached to the lower block and an external force −"F is applied horizontally, pulling on the string. (a) What is the maximum force that can be applied to the string without having the upper block slide off? (b) If a force of magnitude 500N is applied, at what angle above the horizontal should it be directed in order for the upper block to remain stationary by respect to the lower block?
Draw a careful diagram of the set up of the reference point method of finding an image. explain how you found the object and image distances
A car is driving directly north on the freeway at a speed of 117 km/h and a truck is leaving the freeway driving 76 km/h in a direction that is 40° west of north
The small spherical planet called "Glob" has a mass of 7.28 x 10^18 kg and a radius of 6.26 x 10^4 m. What was the initial speed of the rock
A railroad car of mass 2.3 104 kg moving at 3.00 m/s collides and couples with two coupled railroad cars, each of the same mass as the single car, How much kinetic energy is lost in the collision
A 89.0kg skydiver can be modeled as a rectangular "box" with dimensions 24.0cm \times 44.0cm \times 175cm. What is his terminal speed if he falls feet first
A 100 kg scaffold is 5.8 m long. It is hanging with two wires, one from each end. A 480 kg box sits 1.4 m from the left end. What is the tension in the left hand side wire?(g = 9.8 m/s2)
A heat engine is based on a cycle consisting of an isobaric, an isometric and an adiabatic process. Find the amount of heat for each process
Your car's fan belt turns a pulley at 3.15rev/s . When you step on the gas for 1.55s , the rate increases steadily to 6.00rev/s, What's the pulley's angular acceleration
Suppose a tank contains 577 m3 of neon (Ne) at an absolute pressure of 1.01×105 Pa. What is the increase in the internal energy of the neon
A motorcycle accelerates uniformly from rest and reaches a linear speed of 28.6 m/s in a time of 11.9 s. Find the magnitude of the angular acceleration of each tire
water flows at 0.56 ms through a pipe 19 cm in diameter when the pressure is 34000 pa. determine the water velocity
) Calculate the classical momentum of a neutron traveling at 0.980c, neglecting relativistic effects
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