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You have discovered a new asteroid, which has a moon in anelliptical orbit around it. From a series of observations,you establish that the closest approach occurs when the moon is49000 m from the asteroid, the furthest seperation is 98000m andthe speed of the moon at the point of closest approach is 7.50m/s. What is the mass of the asteroid?
A particle moving along the x axis in simple harmonic motion starts from its equilibrium position, the origin, at t = 0 and moves to the right. The amplitude of its motion is 1.70 cm and the frequency is 1.30 Hz.
When its coil rotates at a frequency of 230 Hz, a certain generatorhas a peak emf of 86 V. (a) What is the peak emfof the generator when its coil rotates at a frequency of 34 Hz?(b) Determine the frequency of the coil's rotation when the peak emf of ..
A block of mass 2.50 kg is pushed 2.00 m along a frictionless horizontal table by a constant 16.0 N force directed 25.0° below the horizontal, Determine the work done by the force of gravity
a wire of cross-sectional area 5.0010-6 m2 has a resistance of 1.75 ohms. what is the resistance of a wire of the same
A water balloon slingshot launches its projectiles essentially from ground level at a speed of 25.0m/s, For how many seconds will the balloon be in the air
an insulated tank is divided into two parts by a partition. one part of the tank contains 2.5 kg of compressed liquid
Consider an airplane window (area 0.32 m2). If the pressure inside the plane is atmospheric pressure and the pressure outside is 15% of Patm, what is the force on the window
If the heavier fragment lands back at the equal point from which the shell was launched, where will lighter fragment land and how much energy was released in the explosion.
The isotope 15N undergoes radioactive decay to form 15C. What charged particle is emitted in the decay process? how much kinetic energy in MeV is given to the particle
A camera has a lens with a focal length of 26.9 cm. how far from the film should the lens be placed
A parallel-plate capacitor has fixed charges +Q and -Q. The separation of the plates is then doubled. (a) By what factor does the energy stored in the electric field change? (b) How much work must be done in doubling the plate separation from d to..
The coefficient of static friction between the wall and the rod is μs = 0.575. Determine the minimum distance x from point A at which an additional weight w (the same as the weight of the rod) can be hung without causing the rod to slip at point A.
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