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A wall-mounted lamp of mass m is suspended from a light curved rod. The bottom of the rod is bolted to the wall. The rod is also connected to the wall by a horizontal wire a vertical distance h above the bottom of the rod. What is the tension force on the horizontal wire? Assume: h = 12.0 cm l = 15.0 cm m = 2.00 kg.
A vector has an x-component of ?21.0units and a y-component of 50.0 units. Find the magnitude and direction of the vector
An object of length 3 cm is inside a plastic block with index of refraction 1.40. If the object is viewed through the top surface of block at a non-zero angle from the normal, where is an object relative to its image.
find at least five internet or magazine articlesadvertisements which depict an exercise or health myth. why do you
A .45kg rock is dropped 7.0 m into 4.0 kg of water. If all the rock's kinetic energy is converted to thermal energy in the water, what's the water's temperature increase
A sign has a mass of 1050 kg, a height h = 1 m, and a width W = 4 m. It is held by a light rod of length 5 m that is perpendicular to a rough wall. What is the smallest value of the coefficient of friction
The Doppler effect using ultrasonic waves of frequency 2.25×10^6 Hz is used to monitor the heartbeat of a fetus. find the maximum velocity of the surface of the beating heart
How do I calculate final velocity of a planet moving around a star? The things I know are the positions of star/planet initial V of the planet, Final velocity of the planet after the force of the sun has acted on it
You are pushing a 150-kg wooden crate in a straight line a distance of 4.5 m across a wooden floor. What is the work done by friction on the crate
Three parallel wire 5 m long carry each 24 A of current in the same direction. Find the magnitude force on each wire
A 0.47 kg piece of wood floats in water but is found to sink in alcohol (specific gravity = 0.79) in which it has an apparent mass of 0.034 kg. What is the SG of the wood
what are the angles among the cable supporting the load and the beam and between the cable supporting the beam and the beam?
A playground merry-go-round has a radius of 4.60 {rm m} and a moment of inertia of 250 kg m^2 and turns with negligible friction about the vertical axle through its center.
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