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A 1500-kg car enter an S-curve at A with a speed of 96 km/h with brakes applied to reduce the speed to 72 km/h at a uniform rate in a distance of 90 m measured along the curve from A to B. The radius of the curvature of the path of the car at B is 180 m. Calculate the total friction force exerted by the road on the tires at B. The road at B lies in a horizontal plane.
a 14-ft long ladder leans against a wall with the bottom of the ladder placed 4ft from the base of the wall. how high on the wall will the ladder reach.
A 40 mm diameter hole is drilled 3 m deep into the steel shaft. When the two torque are applied, determine (a) the maximum shear stress in the shaft: and (b) the angle of rotation of the free end of the shaft. Use G= 83GPa for steel.
a 1700 kg car starts from rest at position a and accelerates uniformly up the incline reaching a speed of 100 kmh at
a rocket motor is used to accelerate a kinetic energy weapon to a speed of 3500 mph in horizontal flight. the exit
to place a communications satellite into a geosynchronous orbit at an altitude of 22240 mi above the surface of the
Principles of Engineering Economic Analysis-Time value of money-use of gradient factor is expected
Cortical bone gets weaker with aging, but it turns out that diaphyseal diameters can also change with aging, particularly in males, such that the safety factor of the diaphysis is approximately constant with aging.
A vertical run of copper tubing, 5 mm in diameter and 20 cm long, carries condensation vapor at 60 °C through 27°C air. What is the total heat loss?
find the isentropic and the second law efficiencies for a turbine. it receives steam at 3000 kpa 500c and has two exit
a cylindrical specimen of a titanium alloy having an elastic modulus of 107 gpa 15.5 times 106 psi and an original
what is thermal energy storage? how does it differ from thermal energy generation? what role do the terms play in a
a train which is traveling at 80 mihr applies its brakes as it reaches point a and slows down with a constant
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