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you have two toy trucks moving in the same direction, to the right. The one that is 6.0kg and moving 6.0 m/s collides with the one that is 2.0kg and moving 2.0 m/s. Luckily, the 2nd toy truck has a spring for a back bumper (k=980 N/m). After these toys collide, what are their velocities? How much does the spring compress? How much energy is lost?
A cup of newly brewed 330 g cofee is to hot to drink when served at 88 degree celcisus. What is the mass of the ice cube needed in order to cool the coffee to a pleasant 50 degree celsisus
What is the force acting on the board because of the left support when a diver of mass 63.20 kg stands at the end of the board over the water? Suppose that these forces are vertical.
A 4.00 {rm A} current runs through a 12 gauge copper wire (diameter 2.05 {rm mm}) and through a light bulb. Copper has 8.5 times 10^ {28} free electrons per cubic meter.
Two point charges q and 4q are at x=0 and x=L, respectively, and free to move. A third charge is placed so that the entire three-charge system is in static equilibrium. What is the magnitude of the third charge
define what is the unknown capacitance. what focal length eyepiece should she use.
An unstable high-energy particle is created in the laboratory, and it moves at a speed of 0.988c. What is the proper distance traveled
Approximate the position of both peaks 30 years after they were spilled. Estimate the expected future arrival time of both peaks at the water table.
On a hot summer afternoon, Keith is out fishing in a rowboat when he decides to jump into the water and go for a swim, what is its velocity in the opposite direction after he jumps
The magnetic flux that passes through one turn of a 18-turn coil of wire changes to 5.0 Wb from 14.0 Wb in a time of 0.020 s. What is the resistance of the wire
26 g of copper pellets are removed from a 300 degree Celsius oven and straight away dropped into 116 mL of water at 25 degree Celsius in an insulated cup. What will the new water temperature be.
With two fingers, you hold an ice cream cone motionless upside down the mass of the cone is m, and the coefficient of static friction between your fingers and the cone is? When viewed from the side, the angle of the tip is 2?
A horizontal force of 35_N is used help push an 44_kg box up a 13_meter incline. What is the work done by this applied force
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