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A higway curve with a radius of 400m is banked properly for a car traveling 120km/h. If a 1600-kg Porshe 928S rounds the curve at 240km/h, how much sideways force must the tires exert against the road if the car does not skid?
A wheel of radius 160 cm is has an angular velocity of 400 radians per minute. What is the linear velocity of the wheel in kilometers per hour
The planet mars hass a mass of 6.42x10^23kg and a radius of 3396km. What escape speed is needed for a space ship leaving the surface of Mars
After the first spring compresses a distance of 32.1 cm, the second spring acts with the first to increase the force as additional compression occurs. The car comes to rest 47.0 cm after first contacting the two-spring system. Find the car's initi..
One of the most powerful cranes in the world operates in Switzerland. It can slowly raise a load of M = 5230.0 tonnes to a height of h = 12.0 m, How much work is done by the crane
Suppose a 7.1 eV electron and a 9.77 eV positron collide, Find the frequency of these new photons
A large boat with a weight of 70000 tons moves at constant speed due west. What is the net force on the boat.
Light of wavelength 500nm is incident normally on a diffracation grating. Determine the total number of primary maxima that can be observed in this situation
A 200 kg communications satellite is placed into a circularorbit around the Earth with a radius of 4.23 x 107m(26,000 miles). Find the gravitational force on the satellite
A wooden block weighing 7 N is at rest on top of a wooden desk. The coefficient of static friction between the block, Find the minimum horizontal force required to move the block
An electron is accelerated through 15 kV and is then allowed to circulate at right angels to a uniform magnetic field with B = 25 mT. What is its path raduis
At what position is the third bead in equilibrium? Can it be in stable equilibrium.
A 1000-kg car is moving at 30 m/s around a horizontal curve whose radius is 100m. What is the magnitude of the frictional force
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