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Calculate the maximum deceleration of a car that is heading down a 11° slope (one that makes an angle of 11° with the horizontal) under the following road conditions. You may assume that the weight of the car is evenly distributed on all four tires and that the static coefficient of friction is involved that is, the tires are not allowed to slip during the deceleration
(a) on dry concrete m/s2
(b) on wet concrete m/s2
(c) on ice, assuming that µs = 0.100, the same as for shoes on ice m/s2.
A mass m1 = 3.8 kg rests on a frictionless table and connected by a massless string over a massless pulley to another mass m2 = 5.5 kg which hangs freely from the string, What is the tension in the string as the block falls
two skaters a man and a woman are standing on ice. neglect any friction between the skate blades and the ice. the mass
A satellite weighing 500 kg is in a circular orbit around the earth. It takes exactly 3 hour to go around the earth, What is the force of gravity on this satellite
A 160 pound pilot of an airplane executes a constant speedloop-the-loop maneuver in a vertical plane. what is his apparent weight at the highest point
A shaft rotates at a rate of 80 RPM against a constant torque of 1000 N.m. Calculate the power required to rotate the shaft
A highway curve of radius 500 m is designed for traffic moving at a speed of 90 km/hr. What is the correct banking angle of the road
You walk 40 meter to the North then turn 50o to your right and then walk another 30 meter. Find how far are you from where you originally started
A uniform beam of length 12 m is supported by a horizontal cable of mass 5 kg at the top and a hinge at the bottom making a 45-45-90 triangle. determine the weight of the beam
for a nitrogen molecule in a 1.00 l cubical boxa. calculate the zpe in jmolecule and jmole.b. calculate difference in
A ray of light is incident normally on the right face of a 30o-60o-90o cubic zirconium prism, Determine the exit angle theta for the ray of light
Two wires A and B are of same length and of same material having radii r1 and r2 respectively. Their one end is fixed with a rigid support and at the other end equal twisting couple is applied. Then ratio of the angle of twist at the end of A and ..
The resistance of a very fine aluminum wire with a 20.0um* 20.0um square cross section is 1000 ohms. How many turns of wire are needed
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