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The body of an automobile is to be protected by a spring-loaded bumper, which is attached to the automobile's frame. Design the bumper so that it will stop a 3500-lb car travelling freely at 5 mi/h and not deform the springs more than 3 in. Submit a sketch of your design showing the placement of the springs and their stiffness. Plot the load-deflection diagram for the bumper during a direct collision with a rigid wall, and also plot the deceleration of the car as a function of the spring's displacement
q1. in an 8.00 km race one runner runs at a steady 11.0 kmh and another runs at 14.3 .kmhr.how far from the finish line
A charge q = 2.00 uC is placed at the origin in a region where there is already a uniform electric field E_vec = (100 N/C)i_hat. Calculate the flux of the net electric field through a Gaussian sphere of radius R = 10.0 cm centered at the origin.Is it..
When a 6.00 V battery is connected to the plates of a capacitor and it stores a charge of 30.0 µC. What is the value of the capacitance? If the same capacitor is connected to a 9.00 V battery and what charge is stored?
an electron and a proton are fixed at a separation distance of 931 nm. find the magnitude and direction of the electric
During a testing process, a worker in a factory mounts a bicycle wheel on a stationary stand and applies a tangential resistive force of 120 N to the tire's rim. what force must be applied to the chain
The resistor in a series RCL circuit has a resistance of 97.0 ?, while the rms voltage of the generator is 6.00 V. what is the average power delivered to the circuit
Two polarizers are oriented at 30o to each other and apolarized light is incident on them. If only 14 percent of thelight gets through both of them, what is the angle between the initial polarization direction of the incident light and the firstpo..
An electron starts from rest 5.00 cm from the center of a uniformly charged sphere of radius 4.00 cm. If the sphere carries a total charge of 1.00 x10-9 C, how fast would the electron be moving when it reaches the surface of the sphere.
An electron and a positron, each moving at 3.0*10^5 m/s, collide head on, disappear, Determine the momentum of each photon
Find the pressure difference on an airplane wing if air flows over the upper surface with a speed of 114m/s , and along the bottom surface with a speed of 107m/s
a vertical spring of k115 nm supports a mass of 75g. the mass oscillates in a tube of liquid. if the mass is initially
A meterstick moving at 0.892c relative to the Earth's surface approaches an observer at rest with respect to the Earth's surface. What is the meterstick's length as measured by the observer
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