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A mass of 0.5 kg is attached to the end of a massless spring of spring constant 0.75 N/m. It is released from rest from an extended position. After 0.7 s, the speed of the mass is measured to be 2.0 m/s. What is the amplitude of oscillation? What is the total energy (relative to the mass at rest in the unextended position) contained in this system?
A farsighted man uses eyeglasses with a refractive power of 1.95 diopters. Wearing the glasses 0.02 m from his eyes, What is the correct contact lens prescription, in diopters
a laser beam is aimed at a 1.0 cm thick sheet of glass at an angle 30^{\circ} above the surface of the glass. What is the laser beam's direction of travel in the glass
The chemical atomic mass of hydrogen, with the two stable isotopes 1H and 2H (deuterium), is 1.00798. Use m(H1) = 1.007825 u, determine the natural abundance of 2H isotope
Two moles of an ideal monoatomic gas undergo a cyclic process starting from state A at a vol. of 1L and a pressure of 2 atm. Find the total work done by the gas in one cycle
By how much does the potential energy of a 15.0-kg child increase. Find v0.
One and one-half moles of an ideal monatomic gas expand adiabatically, performing 7910 J of work in the process. What is the change in temperature of the gas during this expansion
A car travels due east with a speed of 44.0 km/h. Raindrops are falling at a constant speed vertically with respect to the Earth. Find the velocity of the rain
A 3.50 x 10^2 N child is in a swing that is attached to ropes 1.75 m long. find the gravitational potential energy associated with the child relative to her lowest postion. What is the net charge inside the die.
A photographic image of a building is 0.0920 m high. The image was made with a lens with a focal length of 55.0 mm. determine the height of the building.
Some rear view mirrors produce images of cars behind you that are smaller than they would be if the mirror were flat. What is the mirrors radius of curvature if cars 25.0 m away appear 0.33 times their normal size?
A merry-go-round starts from rest and reaches the angular speed of 4 rpm in the first two minutes. What would be the angular acceleration of the merry-go-round
Illustrate what are his weight and mass on earth and in interplanetary space where there are no nearby planetary objects?
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