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A simple pendulum with a length of 2.43 m and a mass of 6.84 kg is given an initial speed of 1.76 m/s at its equilibrium position.
A) Determine its total energy.
B) Determine its maximum angular displacement.
Monochromatic light falls on a slit that is 2.80*10^-3 mm wide. If the angle between the first dark fringes on either side of the central maximum is 36.0 degrees
A moving 4.50kg block collides with a horizontal spring whose spring constant is 494 N/m. What is the speed of the block when it hits the spring
Light from an argon laser strikes a diffraction grating that has 5310 grooves per centimeter. The central and first order principal maxima are separated by 0.488 m on a wall 1.72 m from the grating. Determine the wavelength of the laser light.
Biological muscle cells can be thought of as nanomotors that use the chemical energy of ATP to produce mechanical work. How much work is done by such proteins
Assume the wheel has a constant negative angular acceleration of magnitude 2.50 rad/s2. Explain through how many radians has the wheel turned during the interval found in (a) which is 4.98?
The wave function for a certain electromagnetic wave is given by E = -(2500V/m)cos(9.973x10^6z - 2.992x10^15t)i, what is the intensity of the electromagnetic wave
A typical nuclear power plant delivers heat from the reactor to the turbines at a temperature of 480°C. what is the maximum possible efficiency of these turbines
question1a 115kg mail bag hangs by a vertical rope 4.0 long. a postal worker then displaces bag to a position 2.2m
A ball of mass 0.240 grams and positive charge, q =39.3 microC, is suspended on a string of negligible mass in a uniform electric field. We observe that ball hangs at an angle of theta =15.0 o from the vertical. What is the magnitude of electric f..
A 2.83-kg object is thrown vertically upward from the surface of Mars, where the acceleration due to gravity is g1 = 3.71 m/s2. The initial velocity is v1, and the object reaches a maximum height of y1.
Work and Kinetic Energy Lab, investigating the relationship between the work done on a cart and the change in the kinetic energy of the cart. We used a cart, track, 3- 20 g masses, and a photogate
A heat of 4.3*10^6KJ is req to convert a block of ice at -15deg C into water at 15deg C. What is mass of ice
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