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Two blocks made of different materials, connected by a thin cord, slide down a plane ramp inclined at an angle 32 degrees to the horizontal. The mass of block A is 7.4kg and block B is also 7.4kg. The coefficients of friction are uA=0.18 and uB=0.37.
A) Determine the acceleration of the blocks.
B) Determine the tension in the cord.
A pendulum is 1.20 metres long. What is the speed of the bob when it passes by its equalibrium position if it is pulled aside until it makes an angle of 25 degrees to vertical.
Archimedes purportedly used his principle to verify that the king's crown was pure gold by weighing the crown while it was submerged in water.
An archer pulls her bow string back 0.40m by exerting a force that increases uniformly from zero to 25 N. How much work does the archer do in pulling back the bow.
Heather and Jerry are standing on a bridge 45m above a river. Heather throws a rock straight down with a speed of 19m/s. Jerry, at exactly the same instant of time, throws a rock straight up with the same speed. Overlook air resistance. How much t..
You drape a string over a pulley and hang a mass of 35kg from one end. You tie the other end to a point a distance L from the pulley so that the string is horizontal between this point and the pulley.
A vertical electric field of magnitude 2.00 × 104 N/C exists above the Earth's surface on a day when a thunderstorm is brewing. A car with a rectangular size of 6.00 m by 3.00 m is traveling along a roadway sloping downward at 10.0°. find the elec..
A meteoroid is speeding through the atmosphere, traveling east at 21.5 km/s while descending at 19.0 km/s. What is its speed, in km/s.
Loretta made it known just because someone comes from poverty does not mean this is where you have to live your whole life. She was an amazing women and an inspiration to many.
An automobile and a truck start from rest at the same instant, with the automobile initially at some distance behind the truck, What is the speed of the truck when they are abreast, How far was the automobile behind the truck initially
What total impulse was imparted by these forces. Near Earth, the density of protons in the solar wind (a stream of particles from the Sun) is 12.0 cm-3, and their speed is 702 km/s. Find the current density of these protons.
A massless string is wrapped around a solid disk of mass m_1 and tied to a block of mass m_2. The disk is free to rotate on a frictionless horizontal axle.
A hand grenade is thrown with a speed of v0 30 m/s, and a 60 degree angle with x-axis, just prior to exploding. It breaks into two pieces of equal mass after the explosion. One piece has a final velocity of 40 m/s along x. Find the velocity of t..
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