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Assume that the disspative forces due to rolling resistance and aerodynamic drag acting on an automobile are given by the equation F = 300 + 2v2, with F in Newtons and v in m/s. Find the power required to accelerate the vehicle at a rate of 1 m/s2 if it is traveling at a rate of 80 km/h a.) on a flat surface b.) up a 15% slope.
In a Young's experiment using sodium light (λ = 589 nm), the slits are 1.2 µm wide. You notice that fringes 4, 8, etc. are missing. How many fringes appear on the screen
What should be the banking angle of the curve so that the force of the pavement on the tires of the car is in the normal direction? Answer in units of degrees.
Two masses m1 and m2 sit on a horizontal, frictionless table and are connected by a light string, Find the tension in each of the two strings
A 50 kg uniform disc with a radius 1.5 is accelerated from rest to angular speed 3.5 rad/s; how much work is required to achieve this
The van der Waals constants for Kr are a = 2.32 L2 atm / mol2 and b = 0.0398 L/mol. find the volume in cubic centimeters occupied by one Kr atom
An asteroid is discovered heading straight toward Earth at 15km/s. An international team manages to attach a giant rocket engine to the asteroid. The rocket fires for 10 min, after which the asteroid is moving at 29degree to its original path at a..
a 110-g ball collides elastically with a 350-g ball that is at rest. if the 110-g ball was traveling in the positive
A nitrogen molecule is initially in a large volume of calm air at STP. Obtain the length of the path traveled by the molecule
The rope wrapped around the outer diameter of the disk is pulled at a constant speed of 1.06 m/s. find how fast does the hanging mass rise
An airplane flying at a distance of 8.6 km from a radio transmitterreceives a signal of intensity 12 μW/m2. What isthe amplitude of the (a) electricand (b)magnetic component of the signal atthe airplane? (c) If the transmitterradiates uniformly over ..
A small vertical mirror hangs on the wall, 1.20 m above the floor. What was the change in the Sun's angle of elevation between your two observations
A car is safely negotiating an unbanked circular turn at a speed of 18 m/s. The road is dry, and the maximum static frictional force acts on the tires. find to what speed must the driver slow the car
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