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A 1430-N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A 1960-N crate hangs from the far end of the beam. Using the data shown in the figure, find (a) the magnitude of the tension in the wire and the magnitudes of the (b) horizontal and(c) vertical components of the force that the wall exerts on the left end of the beam.
a fresnel zone plate is prepared with a drawing program and printed on a laser printer. the printed zone plate has a
a train traveling at a constant speed rounds a curve radius 275 meters. a chandelier suspended from the ceiling swings
When the Mars rover was deployed on the surface of Mars in July 1997, radio signals took about 12.1 min to travel from Earth to the rover. How far was Mars from Earth at that time
What is the mass of the liquid in the vat.
a solid sphere rolls up an incline plane. what is the direction of the frictional force at the point of contact. next
A uranium atom is ionized seven times, losing seven electrons in the process. what is the strength of the magnetic field
A 52.1-kg high-school student hangs from an overhead bar with both hands, What is the tension in each arm when the arms make an angle of 31.00 o with respect to the vertical
A slide projector has a lens of focal length 150 mm. An image of 100 cm by 100 cm is formed of a slide whose dimensions are 50 mm by 50 mm
The potential energy of a +1 10-6 C charge decreases from 0.06 J to 0.02 J when it is moved from point A to point B. What is the change in electric potential between these two points
A vertical spring stores 0.962 J in spring potential energy whena 3.5-kg mass is suspended from it.(a)by what multiplicative factordoes the spring potential energy change if the mass atttached tothe spring is doubled?(b)verify your answer to part (a)..
An object is placed 19 cm to the left of a converging lens of focal length 25 cm, Find the position and magnification of the final image
A 50 g Super Ball travelling at 28 m/s bounces off a brick wall and rebounds at 18 m/s. A high-speed camera records this event. If the ball is in contact with wall for 5 ms, what is the magnitude of the average acceleration of the ball throughout ..
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