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A steel wire 2.00m long with circular cross section must stretch no more than 0.260cm when a 400.7N weight is hung from one of its ends.
What minimum diameter must this wire have?
d= ? mm
What is least value for which stick remain in equilibrium
What happens in the table as to the potential energies
What inductance must be connected to a 25 pF capacitor in the oscillator capable of generating 480 nm (i.e., visible) electromagnetic waves.
Two shuffleboard disks of equal mass, one orange and the other yellow, are involved in an elastic, glancing collision. Determine the final speed of each disk
Liquid nitrogen boils at 77.00 K. Would this experiment needs to be altered if we used water, which boils at 373 K? Why.
A 3.70g bullet moving at 250m/s enters and stops in an initially stationary 3.50kg wooden block on a horizontal frictionless surface, How much work was done in stopping the bullet
Because of air resistance a constant torque exerted on the system to keep it spinning at that rate. Assuming that the air exerts a miniscule force on the stick (but a significant force on the ball), identify the force the air exerts on the ball.
A stone is thrown at a bell with the speed of 20m/s. The stone strikes the bell and the sound is heard 2.60 s after the stone was released. Speed of sound is 342m/s, how far is the boy from bell.
How much time is spent in pushing the mower
You have two small 2.0- balls that have been given equal but opposite charges, but you don't know the magnitude of the charge. To find out, you place the balls a distance apart on a slippery horizontal surface, release them, and use a motion detec..
The truck is parked on the platform of a weight scale. Explain by how much does the scale reading exceed the weight of the truck and sand?
Define potential difference. What is the difference between electric potential and electric potential energy? What is the unit for potential difference
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