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Two balls of the same mass areaccelerated by the different net forces such that one ball gains avelocity twice that of the other ball in the process. Is the workdone by the net force acting on the faster-moving ball twice thatdone on the slower-moving ball? Explain.
An airplane has a mass of 20,000 kg and takes off under the control of a constant net force of 30,000 N. What is the net force that acts on the plane's 73 kg pilot.
A negative charge of -2.0 10-4 C and a positive charge of 9.5 10-4 C are separated by 0.24 m. What is the force between the two charges
Three charged particles are placed at each of three corners of an equilateral triangle whose sides are of length 2.4 cm, Find the net force acting on particle 3 due to the presence of the other two particles
When laser light of wavelength 633.4nm passes through a diffraction grating, the first bright spots occur at 17.8 degrees from the central maximum. At what angles do the third bright spots occur
A brick is released with no initial speed from the roof of a building and strikes the ground in 2.70 {rm s}, encountering no appreciable air drag. How tall is building? How fast is the brick moving just before it reaches the ground.
A toddler weighs 10 kg and raises herself onto tiptoe (on both feet). Her feet are 8cm long with each ankle joint being located 4.5cm from the point at which her feet contact the floor. What is the tension force in one of her achilles tendons
A rope hangs from a cylinder over which it is wound, of radius 0.20 m and mass 40.0 kg, What torque does the hanging mass exert on the cylinder
A spring is hung from a ceiling, and an object attached to its lower end stretches the spring by a distance d = 6.30 cm from its unstretched position, determine the mass of the object
Find out the magnitude of the truck's vertical component of displacement, answer in units of meters.
question1a large flat block of mass 7m rests on a level smooth tabletop muk asymp 0. on top of it is a much smaller
There are four charges, each with a magnitude of 1.9 µC. Two are positive and two arenegative. The charges are fixed to the corners of a 0.27 m square, one to a corner, in such a way thatthe net force on any charge is directed toward the center of..
In a mall, a shopper rides up an escalator between floors. At the top of the escalator, the shopper turns right and walks 10.1 m to a store. At what angle is the escalator inclined above the horizontal
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