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Question: You are driving a car behind another car. Both cars are moving at speed 80 km/h. Take the reaction time of the driver in Car 2 is 0.60 m/s. Assume car 2 brakes are just a bit harder than car 1 brakes.
Part A: What minimum distance behind the car in front should you drive so that you do not crash into the car's rear end if the driver of that car slams on the brakes?
Please show all work and equations. Defend your answer.
Yoy are presented with a coaxial cable of length L. The inner core has a uniform charge distrubution throughout its radius, Find the Electrostatic Potential in all radial regions
Calculate the force required to move an object.
A tunnel of lenght L=150 m, height H=7.2 m, and width W=5.8 m (with a flat roof ) . With a distance D= 60 m beneath the ground. The roof of the tunnel is to be supported entirely by square steel columns, each with a cross-sectional area of 960 cm2..
A ferromagnetic metal at very low temperatures has a specific heat capacity given by c(T)= zT+yT^3+zT^(3/2). find the entropy increase due to this process
a copper wire has a resistance of 0.425 ohms at 20.0degc and an iron wire has a resistance of 0.455 ohms at the same
Two identical particles move under the influence of a central force, for which the potential energy function is V(r) = ? (k /r) (1 ? ?a/r), Determine the ratio of the periods
A horizontal wire of length 0.57 m, carrying a current of 8.0 A, is placed in a uniform external magnetic field. When the wire is horizontal, estimate the magnitude of the external magnetic field
One lens of a near sighted man's eyeglasses has a focal length of-23.0 centimeter, and the lens is 2.1 centimeter from the eye. evaluate the focal length of the corresponding contact lens
Estimate the change in COP of your electric food freezer when it is removed from your kitchen to its new location in your basement, which is 8 C° cooler than your kitchen. (Assume that the temperature in the kitchen is 20°C and that the temperature o..
A firefighting crew uses a water cannon that shoots water at 29.0m at a fixed angle of 52.0 degrees above the horizontal. How far from the building should they position their cannon
An ambulance traveling at 46 m/s approaches a car heading in the same direction at a speed of 31 m/s. At what frequency does the driver of the car hear the siren
A high diver of mass 65.0 kg steps off a board 10.0 m above the water and falls vertical to the water, starting from rest. what average upward force did the water exert on her
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