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Problem: You step into an elevator, and it accelerates to a downward speed of 9.2m/s in 2.1s.
Part A: How does your apparent weight during this acceleration time compare with your actual weight?
Please show how you obtained the answer.
A robot probe drops a camera off the rim of a 239 meter high cliff on Mars, where the freefall acceleration is -3.7m/s^2. Determine the time required for it to hit the ground
The total mass of the gas is 12.48 g. What is molecular mass of the gas? the gas expands so that the cylinder has twice the height. How much work did the gas do assuming the pressure remained constant.
An electric motor turns a flywheel through a drive belt that joins a pulley on the motor and a pulley that is rigidly attached to the flywheel, Find the tension in the lower (slack) segment of the belt
The ac generator in a series RCL circuit has an rms voltage of 114 V. The values of the resistance, capacitive reactance, and inductive reactance are, respectively, R = 30.0 Ω, XC = 50.0 Ω, and XL =90.0 Ω. What is the rms current in the circuit?
What is the maximum allowable deflection (in inches) of a platform plank 7'-0" long
The free oscillations of a mechanical system are observed to have a certain angular frequency w1. what is the quality factor Q
The link between portfolio level objectives with portfolio success factors that are achieved through individual projects and points out how contributes to strategic fit, use of synergies, etc.
A 150? resistor is across a 24.0V battery. Find the energy supplied by the battery in 4min
Two stars with equal areas and emissivities have surface temperatures of 4,061 K and 6,078 K respectively
A wheel is spinning clockwise at a 10 revolutions per second at t = 0. Due to friction in the bearings supporting the axle, the wheel slows down, losing 0.500 revolutions per second in angular velocity each second, until it comes to rest.
Greenland Icecap
The overall magnification of an astronomical telescope is desired to be 26 Ã?. What is the overall length of the telescope when adjusted for use by the relaxed eye
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