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Two balls are moving in the same direction. Ball A has half the mass of ball B, and is moving at twice its speed.
(a) Which ball has the greater momentum?
(b) Which ball has greater kinetic energy?
Two cars of collide in a glancing collision and stick together. Before the colli- sion the first car (mass of 500 kg) is moving with velocity 25 m/s at an angle of 30%u25E6 North of East, Determine the momentum of each car in a suitable Cartesian c..
A parallel plate capacitor has a charge on one plate of q = 1.3E-06 C. Each square plate is d1 = 2.2 cm wide and the plates of the capacitor are separated by d2 = 0.65 mm, What is the voltage between the plates
You are asked to design a spring that will give a 1310-kg satellite a speed of 3.50 m/s relative to an orbiting space shuttle, What must the force constant of the spring be
Suppose that a structure of arbitrary complexity has a number of forces applied to it (at various points) and yet is in static equilibrium. The principle of virtual work allows one to write an equation that relates the applied forces.
In one minute of rotation, through how various revolutions did fan turn?
A playground merry-go-round has radius 2.90m and moment of inertia 2500kg?m2 about a vertical axle through its center, and it turns with negligible friction. How much work did the child do on the merry-go-round
A sample of helium behaves as an ideal gas as it is heated at constant pressure from 273 K to 373 K. what is the mass of helium present
In a friendly game of handball, you hit the ball essentially at ground level and send it toward the wall with a speed of 21 m/s at an angle of 31 degrees above the horizontal
Two 4.0 cm -diameter disks face each other, 1.5 mm apart. They are charged to +/- 13 nC. 1) What is the electric field strength between the disks?
An accelerating voltage of 2.65 multiply.gif 103 V is applied to an electron gun, What is the magnitude of the deflection on the screen caused by the Earth's gravitational field
A boat crosses the river from the south shore to the north shore by maintaining a constant velocity of 10.9 m/s due north relative to the water. If the river is 362 m wide, explain how far downstream is the boat when it reaches the north shore?
A car is traveling 80 km/hr in a school zone. A police car starts from rest just as the speeder passes it and accelerates at a constant rate of 8 km/hr·s. Eluciadte when does the police car catch the speeding car?
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