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An 8 kilogram mass is pulled from rest up a 15o frictionless incline by a constant force of 50 Newton that is being applied parallel to the slope.
A) Determine the net force on mass?
B) Determine the speed of mass after it has been moved a distance of 20 meter?
Two particles collide and stick together to form anew particle. First particle has a rest energy Eo and a kinetic energy 2Eo. Second particle is stationary and has a rest energy=2Eo. The question is: what is therest energy and the speed of the new..
A 25 horsepower motor consumes 21 kW of electricity, Calculate the heat loss of the motor (kW) and Calculate the efficiency of the motor
The power output of a cyclist moving at a constant speed of 4.8 m/s on a level road is 140 W. What is the force exerted on the cyclist and the bicycle
copper has 8.5 x 10^28 electrons per cubic meter. a 12-gauge copper wire is 25.0cm in length and 2.05mm in diameter. what is the average drift speed of the electrons along the wire
A soccer player kicks the ball toward a goal that is 16.0 m in front of him, Find the speed of the ball when the goalie catches it in front of the net
A house has a floor area of 200 m2 and an outsidewall that has an area of 50.0 m2. The earth's magneticfield here has a horizontal component of 2.65E-5 T that points duenorth and a vertical component of 4.22E-5 T that points straightdown, toward t..
A 7.3 x10^3 kg space vehicle and its empty 6.8 x 10^2 kg booster unit are moving together through space at 370 m s. An explosion lasting 2.2s is used to separate the two parts.
A sound wave travels twice as far in neon (Ne) as it does in krypton (Kr) in the same interval. Determine the temperature of the neon
you hang a heavy ball with a mass of 12 kg from a gold wire 2.6 m long that is 2 mm in diameter. you measure the
What is the net electric flux through the spherical surface
The system shown above is in equilibrium. The steel block has a mass m1 = 234 kg, What is the tension in the vertical wire that holds the steel block
A force F acts on a 10kg object at rest for 3s and changes its velocity to 6m/s. What is the change in momentum of the object, What is the impulse of the force on the car
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