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A 97 kg zebra is traveling 13 km/hr east. What is the zebra's momentum? kg-m/s
What is the weight on earth of a girl with a mass of 41 kg? N
An automobile with a mass of 1125 kg accelerates at a rate of 6 m/s² in the forward direction. What is the net force acting on the automobile? N
What is the momentum of a 75-kilogram ice skater gliding across the ice at a speed of 14 m/s? kg-m/s
If a force of 16 N is applied to an object with a mass of 7 kg, the object will accelerate at m/s2
An ideal gas in a cylinder is compressed adiabatically to one half its original volumes. Obtain how much energy is transferred into or out of the gas by heat in this process
A nonconducting disk of radius a lies in the z = 0 plane with its center at the origin. The disk is uniformly charged and has a total charge Q. Find Ez on the z axis at the following positions.
You decide to have hot dogs for dinner. In the grocery store, you find that buns come only in packages of 12, whereas the wieners come in packages of 8. How can your purchases lead to having no buns or wieners left over? (How does this problem fit..
A hotel elevator ascends 240 m with a maximum speed of 5.8 m/s. Its acceleration and deceleration both have a magnitude of 1.0 m/s2.
A popular earring design features a circular piece of gold of diameter D with a circular cut out of diameter d, as shown in the figure. If this earring is to balance at the point P, show that the diameters should satisfy the condition: D = fd, where ..
An electron is accelerated through a potential difference of 100 V, Find the radius of the circular path in which it will travel
a composite slab with dimensions d1 = 10.8 cm, d2 = 3.00 cm, and d3 = 14.0 cm. What are the coordinates of the center of mass of the slab
An apple crate with a mass of 20 kg stands on a frictionless horizontal surface. A force F = 14.5 N is applied to the crate, find the normal force exerted by the surface on the crate
The density of blood is 1050kg/m3. What is this density in g/cm3
A Charge of Q=700nC is uniformly distributed throughout a circular disk of radius R =10 cm, What are the magnitued and direction of the electric and magnetic field at the center of the rotating charge
A wheel with a mass of 40 kg, and a rim radius of 30.0 cm is mounted vertically on a horizontal axis. Find the angular acceleration of the wheel and the linear acceleration of the block
If the average rate of energy consumed by the house was instead diverted to lift a 2130 kg car 12.3 m into the air, how long would it take
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