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Solve the following problem given below:
Problem: An object is placed 40 cm from a concave lens. If a virtual image appears 10.0 cm from the lens on the same side as the object,
A- What is the focal length of the lens?
I need expert help to solve the above question.
A steam catapult launches an aircraft from the aircraft carrier John C. Stenos, giving it a speed of 180 mi/h in 3.00 second. Find the average acceleration of the aircraft
A plate carries a charge of -3.7 C, while a rod carries a charge of +1.9 C. How many electrons should be transferred from the plate to the rod, so that both objects have the same charge.
What are magnitude and direction of the force
An 1150-kg car pulls a 450-kg trailer. The car exerts a horizontal force of 3,800 N against the ground in order to accelerate. What force does the car exert on the trailer? Assume an effective friction coefficient of 0.15 for the trailer.
A 5.66 microcoloumb and a -2.88microcoloumb charge are placed 16.9cm apart. Where can a third charge be placed
a coil has an inductance of l=0.65mh and resistance of r=0.75 ohms . it is connected to the terminals of a battery with a emf of 1.5V, find the final steady-state or equilibrium current
a truck on a straight road starts from rest accelerating at 2.00 ms2 until it reaches a speed of 42.0 ms. then the
One goal of the Russian space program is to illuminate dark northern cities by sunlight reflected to the Earth from a 200 m diameter mirrored surface in orbit. Some smaller prototypes have already been constructed and put into orbit.
A dentist's drill starts from rest. After 2.90 s of constant angular acceleration it turns at a rate of 2.2 104 rev/min. Find the drill's angular acceleration
A 1400 kg car enters a passing zone and accelerates from70km/h to 95 km/h to pass a slower car. How much work must be done on the car
a force of 5.0rm n is required to stretch a certain spring by 1.5rm cm .a. how far must this spring be stretched for
The flywheel of an engine has a moment of inertia 2.40- {rm kg} cdot {rm m}^{2} about its rotation axis. What is its final kinetic energy.
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