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Draw graphs of position, velocity and acceleration that are expected for a ball rolling down a ramp. Remember that the motion starts at the bottom of the ramp and be mindful of the signs of velocity and acceleration during the motion.
If the atmospheric pressure is 1.1Af-10 raise to the power 5 Pa, the corresponding downward force on the top of a horizontal square areas 6cm on each side is approximately. show calculation.
A skater spins with an angular speed of 17.7 rad/s with her arms outstretched. She lowers her arms, decreasing her moment of inertia with a factor of 2.9. Ignoring friction on the skates, decide the ratio of her final kinetic energy to her initial ki..
A flywheel weighing 70 lb was allowed to swing as a pendulum about a knife-edge at the inner side of the rim, as shown in Fig.
The electric field between the plates of a paper-separated capacitor is 8.18×104 . The plates are 1.90 apart, and the charge on each plate is 0.750. Determine the area of each plate
100uC of charge flows through a conductor in 5ms. What is the current through the conductor
A square loop of side length 100 mm is placed on a wooden table in a uniform magnetic field of magnitude 0.49T. The greatest magnetic flux during the loop is measured when the loop is flat on the table.
You notice that when the drummers in the band strike their drums, there is a delay between the strike and the sound it produces.
a jetliner is moving at a speed of 315 ms. the vertical component of the planes velocity is 31.1 ms. determine the
An object has a mass of 0.500kg is released from the top of a building of height 7.00m. Find the time it takes for the object to strike the ground
A perfectly reversible heat pump supplies to a building to maintain its temperature at 27oC. The cold reservoir is a river at 7oC. If work is supplied to the pump at the rate of 1 kW, at what rate does the pump supply heat to the building?
Four equal charges, q=4.35C, of mass m 4.35kg are at the corner of a square of side L=0.0237m. If an equivalent charge of the same mass is placed at the origin, what is its speed at any time after it is released
A van der waals gas undergoes an isothermal expansion from specific volume V1 to specific volume V2, Calculate the change in the specific Helmholtz function
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