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A 10 kg cart is moving at a velocity of 5m/s hits a tricycle of mass 20kg moving at a velocity of 2m/s. If these objects get stuck to each other when they collide, what is their final velocity? What is this type of collision known as? Please show your work.
Calculate the temperature of the air inside the balloon which will produce the required lift. Assume the outside air is an ideal gas at 0°C. What factors limit the maximum altitude attainable by this method for a given load
a 30 year old women takes a trip on a rockect leaving her 30 year old brother behind. She travels at a speed of .8c and is gone for 20 years, how many years older/younger is she than her brother
When a potential difference of 221 V is applied to two plates of a parallel-plate capacitor, the inner surface of the positive plate carries a surface charge density of 40 nC/cm2. What is the spacing between the plates
an average-sized man is sitting in a big tanning room. the tanning radiation from the room walls is controlled by
two cars drive on a straight highway. at time t 0 car 1 passes mile marker 0 traveling due east with a speed of 24.0
A truck travels 2.75 km north and then makes a 90° left turn and drives another 4.90 km. The whole trip takes 6.00 min. What is the magnitude of the average velocity for this trip
a 70.0 ball of clay is thrown horizontally with a speed of 12.0 toward a 920 block resting on a frictionless surface.
A toy car of mass 2kg is moving to the right with speed 4m/s. Another toy car of mass 6kg is moving to the left with speed 5 m/s. How much kinetic energy is lost in the collision
Consider two planets in space that gravitationally attract each other. If the mass of one planet is increased six-fold, then the force between them changes by what factor
A locomotive of mass 6.00*10^4 kg is moving eastward by a speed of 10.8 km/h. It collides and couples with two coupled railroad cars, each mass 2.00*10^4 kg, moving westward on the same track by an initial speed of 5.40 km/h.
The supply of uranium in the United States (and the rest of the world) is large, but not limitless. By failing to reprocess spend nuclear fuel, we are discarding a potential source of energy that some European countries are presently tapping. Is t..
A sailboat, tied to a mooring with a line, weighs 820N. The mooring line pulls horizontally toward the west on the sailboat with a force of 110N. The sails are stowed away and the wind blows from the west.
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