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Trucks carrying flammable liquids like gasoline often become electrically charged. How is the possibility of an explosion prevented?
Determine the charge of each atom if it is composed of the following particles:
1. 5 electrons and 5 protons
2. 6 protons and 5 electrons
Compute the charge of the following ions. Show your solution.
1. Anion with a charge of -3
2. Cation with a charge of +2
3. Anion with a charge of +5
A load at rest on the floor is subjected to a force making it move a certain distance. The work produce is 2000 J. The load was acted on by the force for 2 seconds. What is the amount of power?
A force of 500 N acts horizontally on a load at rest on the floor. The load moves a distance of 20 m in 10 s. What is the amount of power?
An airliner must reach a speed of 110m/s to take off. If the available runway is 2.4 km and the aircraft accelerates uniformly from rest at one end, what minimum acceleration must be available if it is to take off?
A point of charge 10×10^-6C has a potential of 4×10^4V from a point 2mm from it. Calculate the potential due to the charge when the distance is now 16mm.
A body of mass 25kg falls on the ground from a height of 19.6m. The body penetrates into the ground. Assume the resistance by the ground to penetrate is constant and equal to 4998N. Take g = 9.8m/s2 .
A. Find the final velocity of the body just before it hits the ground.
B. Calculate the retardation (acceleration) when the body is penetrating the ground.
C. Find the distance through which the body will penetrate into the ground
A copper rod whose length at 30m is 10.0m is heated to 50oc . Find its new length liner expansityfor copper as 0.00017k-1
The wave length of a travelling wave is 5m at a frequency of 12Hz and has an amplitude of 15m, write down the equation of wave
#339914 on Dec 2023