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Please provide detailed step by step solutions and attach units to every number, 1. Two blocks of mass m and 75 kg are connected via a light cord over a massless, frictionless pulley as shown in the attached figure. If the 75 kg block starts 2.0 m above the floor and takes 3.0 s to reach the floor when released from rest, what is the mass, m, of the other block? 2. My 17 kg son goes down a straight slide that makes a 40? angle with the horizontal. He starts 3.5 m above the ground and takes 1.5 s to reach the bottom when starting from rest. What is the coefficient of kinetic friction of the slide?
What is the rms speed of the molecules in low-density hydrogen gas at 0 ^circ {rm C}? (The mass of a hydrogen molecule, rm{H_2} , is 3.32×10-27 kg ).
A car traveling at a constant speed of 22.5 m/s passes a trooper hidden behind a billboard. One second after the speeding car passes the billboard, the trooper sets off in chase with a constant acceleration of 3.90 m/s2.
The middle C string on a piano is under a tension of 992 N. The period and wavelength of a wave on this string are 3.82 ms and 1.39 m
Two identical conducting spheres, fixed in place, attract each other with an electrostatic force of 0.139 N when their center-to-center separation is 69.5 cm.
Three protons are at the vertices of an equilateral triangle 0.800nm on each side. What is the potential energy of this set of charges
Sea Launch mission planners are going to launch their Russian launch vehicle from a Lo = 3 degrees into LEO with an inclination of 34 degrees and the longitude of ascending node of 124 degrees. Current LST at the launch site is 1140.
What direction is white dot on the sensor pointing
As blood passes through the capillary bed in an organ, the capillaries join to form venules (small veins). what is the total cross-sectional area of the capillaries feeding these venules
You are called as an expert witness in the trial of a traffic violation. The facts are these: A driver slammed on his brakes and came to a stop with constant acceleration, How fast was he going when he hit his brakes
A pyramid has a square base and four faces which are equilateral triangles. A charge Q is placed on the center of the base of the pyramid, What is the net flux of electric field
A 3.2 kg sloth hangs 3.2 m above the ground. What is the speed of the sloth at this time
During a ballet performance a ballerina leaps into the air. If the dancer leaped at 90 degrees, what was the dancers initial speed
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