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suppose the length L of the uniform bar is 3.00 m and its weight is 230 N. Also, let the block's weight W = 350 N and angle ? = 30°. The wire can withstand a maximum tension of 500 N.
(a) What is the maximum possible distance x before the wire breaks?
(b) With the block placed at this maximum x, what is the horizontal component of the force on the bar from the hinge at A?
(c) What is the vertical component of this force?
A 0.0017T magnetic field and a 5.7 x 10^3 N/C electric field both points in the same directions. Determine the magnitude and directions of the net force on the charge
Suppose you want to make a scale model of a hydrogen atom. For the nucleus you choose a small ball bearing with a radius of 1.7 mm, What would be the radius of the model
A small ball rolls off the roof edge with a horizontal speed of 3.2m/s. The ball hits the ground a distance of 12.6m from the building's base. Calculate the hieght of the building
A 555.0 g/hr stream of liquid methyl alcohol, also called methanol, (CH3OH) at 7.20 atm, At what rate must heat be supplied to this system
The glow-in-the-dark dials on some watches and some keychain lights shine with energy provided by the decay of radioactive tritium, 3^1H. What is the speed of the emitted electron
An imaginary accelerator consists of colliding beams of electrons and protons, each of 2TeV total energy. What laboratory energy would be required to achieve the same center - of - mass energy if electrons collide with stationary protons?
A compact disc, initially at rest, is spun up to an angular velocity of 22 rad/s by a constant angular acceleration of 4.0 rad/s^2. How much time does the disk take to reach maximum velocity
The ammonia molecule NH3 has a permanent electric dipole moment equal to 1.47 D, where 1 D = 1 debye unit = 3.34 x 10-30 C-m. find the electric potential in volts due to an ammonia molecule
A certain gasoline engine has an efficency of 30% what would the hot resevoir temp be for a carnot engine having that efficency if it operates with a cold resevoir temp off 200C
A laser beam of power 4.40 W and diameter 2.70 mm is directed upward at one circular face of a perfectly reflecting cylinder, which is made to "hover" by the beam's radiation pressure
The magnetic coils of a tokamak fusion reactor are in the shape of a toroid having an inner radius of 0.700 m and an outer radius of 1.30 m. Find the magnitude of the magnetic field inside the toroid along the outer radius
Sirius is about 9.0 light-years from Earth. How far is the trip according to you, To reach the star by spaceship in 16 years (ship time), how fast must you travel
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