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A 221 kilogram log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 30.3 degree with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.909, and the log has an acceleration of 0.831 m/s2. Compute what the tension in rope.
a spring with a spring constant of 270 nm iscompressed by 14cm.a 880g ball is attached to the end and the spring is
At one point in a pipeline, water's speed is 3.30 m/s and the gauge pressure is 4.00×10^4 Pa. Find out the gauge pressure at a second point in the line 13.0 m lower than the first if the pipe diameter at the second point is twice that at the first.
A small block on a frictionless horizontal surface has a mass of 2.25×10?2kg . It is attached to a massless cord passing through a hole in the surface. (See the figure below (Figure 1) .) The block is originally revolving at a distance of 0.255m from..
a dog runs down a driveway with initial speed of 5 m/s for 8s, then uniformly increases his speed to 10 m/s in 5 s, determine How long is his driveway
To determine the specific heat capacity of lead, you get 500g of lead shot to 100 degrees C and place it in an aluminum calorimeter of mass 250g, what is the specific heat of lead
A rotating cylinder about 16 {rm km} long and 7.40 km in diameter is designed to be used as a space colony. With what angular speed must it rotate so that the residents on it would experience the same acceleration due to gravity as on Earth.
the coefficient of static and kinetic frictions between a 3 kg box and a desk are .4 and .3 respectively. what is the
The rechargeable batteries for a laptop computer need a muchsmaller voltage than what a wall socket provides. Therefore, atransformer is plugged into the wall socket and produces then ecessary voltage for charging the batteries. The batteries arer..
when a mass is suspended from a spring the equilibrium length is increaseb by 50 mm. the mass is then given a blow
A satellite moves in a circular orbit around Earth at a speed of 4714 m/s. Determine the satellite's altitude above the surface of Earth
A Bead with a mass 10g can slide without friction on a circular motion massless hoop that is in a vertical plane and has a radius of 5 cm. The hoop rotates at a constant rate of 4rev/s about a vertical diameter.
A mercury manometer is connected to a container of gas. if the gauge pressure of the gas doubles, what are the new heights of the two columns
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