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1. Calculate the speed of a proton after it accelerates from rest through a potential difference of 290 V . Express your answer using two significant figures.
2. Calculate the speed of an electron after it accelerates from rest through a potential difference of 290 V . Express your answer using two significant figures.
A stone is launched straight up by a slingshot. Its initial speed is 19.2 m/s and the stone is 1.40 m above the ground when launched. How high above the ground does the stone rise
a charge of -2.355 microc is located at 3.055 m 4.501 m and a charge of 1.800 microc is located at -2.372 m 0.a find
An AC generator is to have a maximum output of 340 V. Find the maximum current induced in the coil
When a converging lens is used in a camera (as in the first drawing), the film must be placed at a distance of 0.170 m from the lens to record an image of an object that is 4.70 m from the lens
A resistor with R = 1.5 k? is connected to an AC generator that operates at 60 Hz with an amplitude of 49 V. (a) Find the amplitude of the current through the resistor. A
Spark plugs should be tightened to a specified torque of 13.8Nm. You have a wrench that is 0.25 m long, What force must you exert on the wrench
The outer surface of a skier's clothes of emissivity 0.700 is at a temperature of 7.40° C. Find the rate of radiation if the skier has a surface area of 1.50 m2
Two small charges with a mass of 1.0 g each are connected by a 2.0 cm long insulating rod of negligible mass. What is the dipole moment of the rod
A vertical solid steel post of diameter d = 24cm and length L = 2.10m is required to support a load of mass m = 8200kg. What is the strain in the post
A solid, horizontal cylinder of mass 9.0 kg and radius 1.30 m rotates with an angular speed of 8.00 rad/s about a fixed vertical axis through its center. Determine the final angular speed of the system
Three identical charges of 3.0 mC are placed at the vertices of anequilateral triangle which measures 30 cm on a side. What is the magnitude of the electrostatic force which acts on any one of the charges?
A pipe carrying 20°C water has a diameter of 2.4 cm. Estimate the maximum flow speed if the flow must be streamline
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