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An object of mass m = 2.6 kg falls from a height of 0.55 m on the top of a spring (see picture). The elastic constant is k = 72 N/m. What is the maximum compression of the spring? What is the maximum height that the object reaches once its pushed up by the spring?
An explosive charge breaks an object into two splinters, with respective masses m1 = 1.9 kg and m2 = 5.7 kg. What is the ratio of the separation speeds v2/v1
a) A 25 O resistor is connected in series with a 7 µF capacitor and a battery. What is the maximum charge to which this capacitor can be charged when the battery voltage is 9 V? Initially the capacitor has zero charge. At what time during the char..
A certain part of an aircraft engine has a volume of 1.2 ft3. Find the weight of the piece when it is made of copper
An archer releases a 0.025 kilogram arrow at a 50 degree angle with the horizontal with 300 meter per second of initial velocity. Determine with what velocity does it land
Suppose you throw a 0.048-kg ball with a speed of 10.7 m/s and at an angle of 32.1° above the horizontal from a building 11.5 m high. What will be its kinetic energy when it hits the ground
Wavelengths of light from a remote galaxy are found to be 1.5 % longer than the corresponding wavelengths measured here on earth. What is the speed of the galaxy relative to earth
A solid conducting sphere of radius 2.00cm has a charge 15.00μC. A conducting spherical shell of inner radius 4.00cm and outer radius 5.00cm is concentric with the solid sphere and has a total charge of -7.00μC. (Take radially outward as the posit..
A container explodes and breaks into three fragments that fly off 120 degrees apart from each other, what is the speed of the other two fragments
A wave on a string has a speed of 331 m/s. If the tension in the string is 143 N and its length is 1.8 m, what is the mass of the string
An object hanging in air, as in Figure A below, caused the scale to balance at 0.420 kg. When the object was submerged in water, what is the density of the object
A 1.50 m long metal bar is pulled to the right at a steady speed of 5.0 m/s perpendicular to a uniform, 0.750 T magnetic field. Calculate the magnitude of the emf induced in the circuit
Presume a spherical planet P has a uniform density of 4.72 x 10^3 kg/m^3 and a radius R = 3604km. For a parcel that weighs 64N on the surface of the spherical Earth.
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