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A car drives around a curve with radius 410 meter at a speed of 32m/s. The road is banked at 5 degree. the mass of car is 1400 kilogram.
a) Calculate what is the frictional force on the car?
b) Find at what speed could you drive around this curve thus that the force of friction is almost zero?
The leg and cast weigh 290 -N, with the center of mass as indicated by the blue arrow in the diagram. The counterbalance w2 weighs 120 N. Determine the weight w1 and angle α needed in order that there is no force exerted on the hip joint by the le..
A long straight metal wire of radius r1= 3.30E-2 m is bounded by a metalic cylindrical shell of inner radius r2= 1.39 E-1 m and outer radius r3= 1.84E-1 m.
An object placed 11.00 cm from a concave spherical mirror produces a real image 8.40 cm from the mirror. If the object is moved to a new position 20.0 cm from the mirror, what is the position of the image?
A 87.0-kg man is riding an escalator in a shopping mall. What is the work done on the man by the gravitational force
A spring whose stiffness is 1000 N/m has a relaxed length of 0.49 m. what is the change in the potential energy of the spring
An Shot putter throw the shot from a height of 2m over the ground with the speed of 15m/s in the direction 36,9° upwards. What is the speed of the shot when it lands
What is the potential energy of a comet of mass m around a star of mass M if it is in elliptical orbit that has a pericenter at a distance R and an apocenter at 4R? What is the total energy of the comet?
a soccer ball is kicked from the ground with an initial speed of 21.0 ms at an upward angle of 45deg. a player 58.0 m
two convex lenses with focal lengths f1 6.0cm and f2 8.0cm are located 24.4cm apart. an object is located 13cm in
A capacitor is constructed of two concentric conducting cylindricalshells. The radius of the inner cylindrical shell is 2.29 10-3 m, and that of the outer shell is2.43 10-3 m.
Suppose that you find the volume of all the oceans to be 1.4\times10^9\; \rm km^3 in a reference book. What is this volume in cubic meters
A 4.9 cm tall object is placed 25 cm in front of a spherical mirror. It is desired to produce a virtual image that is upright and 3.9 cm tall. Where is the image located? What is the focal length of the mirror?
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