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A bicycle racer sprints at the end of a race to clinch a victory. The racer has an initial velocity of 12.0 m/s and accelerates at the rate of 0.350 m/s2 for 7.00 s.
The final velocity is 14.45 m/s
The racer continues at this velocity for to the finish line. If he was 300 m from the finish line when he started to accelerate, how much time in s did he save?
3.64 s
One other racer was 5.00 m ahead when the winner started to accelerate but he was unable to accelerate and traveled at 12.4 m/s until the finish line. How far ahead of him in meters did the winner finish?
An electronic timer consists of a resistor whose value is 10,000 ohms, a capacitor of 30 pico farads, and a 10 volt source which is applied across the RC connection at time t =0.
A teleoperated control system has an operator and a remote machine. The usual teleoperation system is based on a one-way link to the machine and limited feedback to the operator. However, the use of a two-way coupling will result in a better opera..
When we give sinusoidal voltage across a capacitor the current across it has 90 degree phase lag. Then this means as voltage increases(sine) the current decreases(cosine)[in 1st quadrant]....Whether this indicates capacitor exhibits negative r..
a load consisting of induction motor is draming 80 kw from a 220 v ,60 hz power line of 0.72 lagging .find the capacitance of a capacitor required to raise the pf to 0.92
In a FWR circuit using an LC filter, , μF and RLΩ. Calculate Idc , Vdc , ripple factor for an input of ( ) . Sol: = sin
The amplitudes of two signals X and Y have joint pdf: fXY (x,y) = e^(-x/2)*y*e^(-y^2) for x>0 , y>0. (a) Find the joint CDF (b) Find P [sqrt(x) > y] (c) Find the marginal PDFs (d) Determine if X and Y are independent.
A total of 3.00 106 electrons are placed on an initially uncharged wire of length 1.44 m. (a) What is the magnitude of the electric field a perpendicular distance of 0.412 m away from the midpoint of the wire
Design the electrical system for a shopping center with 500,000 square feet at least 30 spaces of three different sizes (5,000, 10,000 and 25,000 sf). They may be offices, banks, restaurants and shops.
a series rlc circuit has a 4ohm resistor an inductor with an xl of 19.5 ohms and a capacitor with an xc of 12 ohms.
Construct an inverting Dc integrator circuit using a jumperwire to act as the switch across the feedback capacitor. Notice that the input voltage is 0 V, so the output voltage shouldnot change, even after the switch is opened.
Screenshot of the circuit simulation running and the measurements of the input voltage and voltage on each lead of the DC motor.
Heat transfer from the wire to the air is characterized by the convection coefficient h. Obtain an expression for the steady-state temperature distribution T(x) along the wire.
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