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A rail car that weighs 34 N is accelerated at 8.3 m/s/s for 5.9 seconds. How much work is done on the rail car? The acceleration is constant. Hint: this is a multiple step problem in which you must derive the variables needed to solve the problem in step one and then apply those values to the final solution of the problem in the last step.
A car has 53% of its weight on its front wheels and 47% on its rear wheels, How far from the rear axle is the car's center of gravity
A speedboat moves on a lake with initial velocity vector V1x= 9.27m/s and V1y= -2.83m/s, What are the components of the speedboat's final velocity
An automobile has a total mass of 1700 kg. It accelerates from rest to 40 km/h in 10 s. Assume each wheel is a uniform 32 kg disk. determine the total kinetic energy of the automobile
A gyroscope flywheel of radius 2.83 cm is accelerated from rest at 14.8 rad/s2 until its angular speed is 2760 rev/min. What is the radial acceleration of this point when the flywheel is spinning at full speed
Photons of wavelength 490 nm are incident on a metal. What is the work function of the metal
A toy spacecraft is launched directly upward. When toy reaches its highest point, a spring is released and the toy splits into two parts with masses of .c2 kg and .08 kg.
a 2kg mass ona horizontal frictionless surface is attached to the free end of an ideal spring of stiffness k=30N/m. by what distance is the spring compressed as the mass comes to rest again
A 1200 kg car rounds a corner of radius r = 45m. If the coefficient of static friction between the tires, what is the greatest speed the car can have in the corner without skidding
Compute the voltage between the surface and the axis of a uniformly charged infinite cylinder of radius a
A cylindrical container 1.60 {rm m} tall contains mercury to a certain depth, d. The rest of the cylinder is filled with water.
A small ball of mass 0.60 kg is attached to one end of a 1.15 m long massless rod, and the other end of the rod is hung from a pivot
In the typical X-ray lamp. The electrons are accelearated in the potential difference of 10000V before hitting the water cooled electrode. Find the shortest wavelength of X-rays produced in this lamp.
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