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Calculate the maximum acceleration of a car with four wheel drive that is heading up a 8.5° slope (one that makes an angle of 8.5°with the horizontal) under the following road conditions. Assume that the static coefficient of friction is involved--that is, the tires are not allowed to slip during the acceleration.
(a) on dry concrete
(b) on wet concrete
(c) on ice, assuming that A?µs = 0.100, the same as for shoes on ice.
A Piton tube can be used to calculate the velocity of air flow by measuring the difference between the total pressure and the static pressure. calculate the speed of air flow
Goal Solve a calorimetry problem involving three substances at three different temperatures. Problem Suppose 0.400 kg of water initially at 40.0°C is poured into a 0.300-kg glass beaker having a temperature of 25.0°C. A 0.500-kg block of aluminum ..
A cannon is fired from the ground 60 degrees above thehorizontal, then flies over level ground. The muzzle speed is.98km/s. Neglect air resistance, what projectile will travelwhat horizontal distance before striking the ground?
A 200 g cord is stretched over a distance of 5.2 mand placed under a tension of 500 N. Compute the speed of a transverse wave in the cord
Two blocks each of mass m = 2.98 kg are fastened to the top of an elevator, If the strings can withstand a maximum tension of 88.0 N, what maximum acceleration can the elevator have before the upper string breaks
sunspots vary in number as a function of time exhibiting an approximately 11 year cycle. galileo made the first
The top of the pool table is 2.80 ft from the floor. The placement of the tape is such that 0 feet aligns to the edge of the table, At what speed did his pool ball hit the ground
A parallel-plate capacitor has a capacitance of 10 mF and charged with a 20 V power supply. The power supply is then removed and a dielectric of dielectric constant 4 is used to fill the space between the plates. The energy now stored by the capac..
Two automobiles of equal mass approach an intersection. One vehicle is traveling with velocity 12.3 m/s toward the east, find the initial speed of the northward-moving vehicle
An old mining tunnel disappears into a hillside. You would like to know how long the tunnel is, but it’s too dangerous to go inside. However, you figure out a way:
A 170g baseball is pitched at 30m/s spinning at 53rad/s . You can treat the baseball as a uniform solid sphere of radius 4.5cm. What fraction of its kinetic energy is rotational
A van goes around a curve on a road that is banked at an angle of 30.7 degree. Evaluate what the radius of the curve
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