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Solve the following questions:
Question I: Use Newton's laws to determine the value of electron's velocity after it moves 0.40cm from rest. Express your answer using two significant figures.
Question II: Determine the potential 2.0mm from the negative plate of a pair of parallel plates separated by 14.0mm and connected to a 24-V battery.
I just want the right answer for above questions, Thanks!
A ferryboat transports tourists among three islands. It sails from the first island to the second island, 5.78 km away, Calculate the distance between the first and third islands
An aluminum bar of mass 2.00kg at 300 C is thrown into a lake. The temperature of the water in the lake is 15.0 C; what is the change in total entropy Delta
a piano wire with mass 3.00 g and length 80.0 cm is stretched with a tension of 25.0 n. a wave with frequency 120.0 hz
What is the maximum distance we can shoot a dart, from ground level, provided our toy dart gun gives a maximum initial velocity of 2.78 m/s and air resistance is negligible
A railroad car of mass 2.50 * 10^4 kg is moving with a speedof 4.00 m/s. It collides and couples with three other railroadcars, what is the speed of four cars immediately after the collision
Place a sheet of paper under a medium-sized book lying on a smooth tabletop or desktop. Which objects move the least when the paper is pulled rapidly
A 60.0kg skier traveling at 20.0m/s reaches the foot of a steady upward 20.0 degree incline and glides 35.0m along this slope before coming to rest. Calculate the fan's average angular acceleration
A beam of unpolarized light (at wavelength 550 nm) is incident normally on the face of a sapphire (Al2O3) crystal which is 1 cm thick. The optic axis of the crystal is at an angle of 60 ? with respect to the normal to the incident face. At the..
A standard test of a small cell in an electric watch is for the cell to be able to supply 104 micro amps into a resistance of 13 Kohms for 800 hours. How much energy in kw-h is stored in a fresh cell?
A transmission line is made of a core of copper surrounded by a concentric circular sheath of steel to give it strength. The copper core is 1.0 cm in diameter and the tightly fitting sheath has an outer diameter of 2.0 cm.
A large boat with a weight of 70000 tons moves at constant speed due west. What is the net force on the boat
A 240g block on a 60cm-long string swings in a circle on a horizontal, frictionless table at 70rpm.
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