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A Pendulum consists of a 1.0 kilogram mass swinging from a 10 meter long rope. the pendulum is set swinging so that its speed when its rope makes a 45o angle with the vertical is 5.0 m/s. Find what the tension in the rope.
A radiator with a constant temperature of 150o C has a surface area of 5.00 m2. Calculate its rate of heat loss by radiation to the environment
what is the electric field amplitude associated with the light from a red laser pointer? assume power0.10mw with a
The rear window of a van is coated with a layer of ice at0oC. The density of the ice is 917kg/m3. The driver of the van turns on therear-window defroster, which operates at 12V and 23A. Thedefroster directly heats an area of 0.52m2 of therear windo..
An electron has an initial velocity of (11.0j + 15.0k ) km/s and a constant acceleration of (4.00x10^12 m/s2) in a region in which uniform electric and magnetic fields are present. If = (400 µT)i , find the electric field in ijk notation.
A pipe springs a leak, which causes a stream of water to rise 8.0meters into the air. What is the minimum pressure within the pipe? Determine the velocity of the stream at the leak. If the hole is 1.0cm in diameter, determine the mass rate of flowthr..
A toaster operating on 120 V uses a current of 15.0 A. What is the toaster's power consumption, what is the cost of using the toaster for 3.2 min
A 1200-kg car rolling on a horizontal surface has speed v=65km/h when it strikes a horizontal coiled spring and is brought to rest in a distance of 2.2 m. What is the spring stiffness constant of the spring
A turntable 1.90 m in diameter rotates at 78.0 rpm . Two speakers, each giving off sound of wavelength 30.6 cm, find the greatest beat frequency the listener
a dog is initially running at 14 m/s. but is slowing down. How fast is it moving if Kinetic Energy has been reduced byhalf
A flywheel with a radius of 0.700m starts from rest and accelerates with a constant angular acceleration of 0.900rad/s^2. Compute the magnitude of the tangential acceleration of a point on its rim at the start
1. an rlc oscillator circuit contains a 53.0nbspomega resistor and a 1.60-mh inductor. what capacitance is necessary
An electron is accelerated from rest by a potential difference V. It then enters a uniform magnetic field of magnitude B with its velocity perpendicular to the field. Find the radius of its path in the magnetic field
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