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Problem: A 75 kg man standing on a scale in an elevator notes that as the elevator rises the scale reads 825N.
Part A: What is the acceleration of the elevator?
Please show all work and steps to determine the acceleration of the elevator.
q1. a 1000kg experimental rocket sled at rest on level frictionless rails is loaded with 50kg of propellant. it
Assume the Earth contains roughly the same amount of the neutrons and protons. Estimate The number of protons in Earth. The charge Earth would have if all its electrons were removed
question a current of 0.83 a flows through a copper wire 0.50 mm in diameter when it is connected to a potential
A small object has a mass of 5.0 x 10-3 kg and a charge of -24C. Determine the electric field, including sign, relative to the +x axis
a cube of wood floating in water supports a 200g mass at the centre of its top face. when the mass is removed, the cube rises by 2cm. determine the volume of the cube
a Two vehicles travelling on a road in the same direction collide. Vehicle 1 has a mass 1200 kg and is travelling at 30m/s. Determine the change in momentum of each vehicle
multiple-Concept Example 11 deals with a situation that is similar, but not identical, to that here. When 4710 J of heat are added to a 0.261-m-long silver bar, What is the mass of the bar
A laser pulse has an energy of 16 J and a beam radius of 2 mm. The pulse duration is 13 ns and the energy density is constant within the pulse. What is the total energy density within the pulse
A uniform magnetic field passes through a horizontal circular wire loop at an angle 17.3° from the normal to plane of the loop. determine the magnetic flux through the loop
a small map shows new york to be 486 miles in a direction 8deg north of east from columbus. the same map shows that
With a wooden ruler you measure the length of a rectangular piece of sheet metal to be 16mm. What is the area of the rectangle
In a 2.0- intense cycling race, a cyclist can loses 3.9 of water through perspiration. Estimate how much heat the cyclist loses in the process
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