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A small glider and a big glider both start from rest and are pushed with the same constant force F along a horizontal, frictionless surface. After each glider has traveled a distance d, which of the following statements is rue ? they will have a) same velocity ? b) same kinetic energy ? c) same momentum ? d) both b and c ? e) none of the above ? Please explain
A bluray disc is 12cm in diameter. When you put it into the player it takes 30 seconds for the disc to accelerate to its playing speed; 1500 revolutions per minute. find number of revolutions the disc makes
On a frictionless surface, a sliding box collides and sticks to a second identical box that is initially at rest. What percentage of the initial kinetic energy of the system
A chain consisting of five links, each of mass 0.200 kg, is lifted vertically with a constant acceleration of a = 2.7 m/s2. Find out the magnitude of the force that link 3 exerts on link 2.
An image projected on a screen is 9.1 cm high and is 6.4 cm from the lens. If the object that produces the image is 1.2 cm tall on the screen
A 3.00 x 102-kg piano is being lifted at a steady speed from ground level straight up to an apartment 10.00 m above the ground. The crane that is doing the lifting produces a steady power of 4.00 x 102 W. Explain by how much time does it take to li..
A fisherman's scale stretches 4.2 cm when a 2.6 kg fish hangs from it. What will be the amplitude and frequency of vibration if the fish is pulled down 3.0 cm more and released so that it vibrates up and down
Explain qualitatively the following phenomena. At a certain momentum, the cross sections for p+_ neutron s(p+n) and p-_ proton s(p-p) interactions are equal, whereas s(K+n)=22mb and s(K-p)=55mb.
A 1260 kg car pushes a 2140 kg truck that has a dead battery. When the driver steps on the accelerator, find the magnitude of the force that the car exerts on the truck?
the pontential difference across the terminals of a battery is 8.4V when there is a current of 1.50A in the battery from the negative to the positive terminal. what is the emf of the battery
A charge of density p is distributed uniformly along an arc representing a half of a cirle of radius r. Determine the electric field intensity vector at an arbitrary point
1. - discuss the transient and steady states of a dc circuits response to a step input.2. -what components must be
An FM radio station broadcasts electromagnetic waves at a frequency of 550 kHz. Calculate the wavelength of the waves.
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