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Q. At 18°C, a rod is exactly 20.00 cm long on a steel ruler. Both the rod and the ruler are placed in an oven at 285°C, where the rod now measures 20.21 cm on the same ruler. What is the coefficient of linear expansion for the material of which the rod is made?
Q. Suppose an electric field with a magnitude of 2.8 x 104 N/C at a certain location points due south. If a charge of -4.0 x 10-6 C is brought to the location, what is the electrostatic force that acts on this charge?
Assume that plane continues to fly with the similar velocity
With what minimum speed should you toss a 140g ball straight up to hit the 11.0m-high roof of the gymnasium if you release the ball 1.30m above the ground? Resolve this problem using energy.
Write down the expression that shows the pressure
A 4.79 crate is suspended from the end of a short vertical rope of negligible mass. An upward force is applied to the end of rope, and the height of the crate above its initial position is given by + (0.61) what is the magnitude of the force when ..
If the orientation of the spacecraft is to be changed by 30.0°, for what time interval must the gyroscope be operated.
A 10 Newton effort force is required to lift a 10kg box just off the ground. What is the effort required to lift the box off the ground using a 3m long lever.
Find out kinetic energy of the merry-go-round
Define Eddy viscosity and Von Karman constant using the mixing-length theory.
A wooden raft has a mass of 67 kg. When empty it floats in water (density 1000 kg/m3) with 51 percent of its volume submerged. What mass of sand can be put on the raft without it sinking.
What is the electric flux through the circle when its face is perpendicular to the field lines?
If a person radiates about 66 W of power at room temperature, how long does it take for person to radiate away the energy acquired by consuming a 230 Calorie doughnut.
Find out vertical and horizontal components of the pendulum
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