Magnitude of the perpendicular force
What is the magnitude of the perpendicular force that the block exerts on the surface of the plane at a distance of 2.41 m down the incline?
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Water flows at 5.0;{rm L}/{rm s} through a horizontal pipe that narrows smoothly from 10 cm diameter to 5.0 cm diameter. A pressure gauge in the narrow section reads 50 kPa. What does the other pressure gauge read?
Determine the distance between Polaris and Earth in Meters. Polaris is 431 ly from Earth. The speed of light is 3.0 x 10^8 m/s.
A rock with a mass of 6.0kg is being whirled in a horizontal circle on the end of a rope 1.6m long. if the seed of the rock is 2.7 m/s, what is the magnitude of the centripetal acceleration?
A jeweler working with a heated 47 gram gold ring must lower the ring's temperature t make it safe to handle. If the ring is initially at 99 degrees celsius, what mass of water at 25 degrees celsius is needed to lower the ring's temperature to 38
Find the bullet's kinetic energy, Find the average force exerted on the bullet by the expanding gases as the bullet moves through the length of the 50.0 cm barrel.
With regenerative braking, such as that used in hybrid vehicles, only 70 percent of the kinetic energy is dissipated.) (a) Find the energy dissipated by friction. (b) Find the coefficient of kinetic friction between the tires and the road.
A cargo plane is flying horizontally at an altitude of 11 km with a constant speed of 765 km/hr when a large crate slides out of the rear of the plane. How long does it take the crate to hit the ground? The acceleration of gravity is 9.81 m/s2. Ho
In Bosnia the ultimate test of a young man's courage use to be to jump off a 400 year old bridge into the river near Neretva 23m below the bridge. If the speed of sound and air is 340 m/s how long after the jumper took off did a spectator on the
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