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Question1
A 95 m long train begins uniform acceleration from rest. The front of the train has a speed of 25m/s when it passes a railway worker who is lending 180 m from where the front of the train started. What will be the speed of the last car as it passes the worker?
Question2
Deer b is located 62 m from deer a at an angle of 51 degrees north of west. Deer c is 77 degree north of east relative to deer a. The distance between deer a and b is 95m what is the distance between deer a and c.
Question3
The pilot of an airplane travelling 190 kph wants to drop supplies to flood victims on an isolated island 160 m below. How far from the island has to the plane been horizontally as she releases the package?
The projection lens in a certain slide projector is a single thin lens. A slide 24.6 mm high is to be projected so that its image fills a screen 1.78 m high. Determine the focal length of the projection lens
The electric field 5.90 from a very long charged wire is ( 2300 ,toward the wire).What is the charge (in nC) on a 1 cm-long segment of the wire.
Three moles of a monatomic ideal gas are heated at a constant volume of 2.23 m3. What is the change in the temperature of the gas
A small metal bead, labeled A, has a charge of 29 . It is touched to metal bead B, initially neutral, so that the two beads share the 29 charge, but not necessarily equally. When the two beads are after that placed 5.0 apart, the force between the..
You shoot an arrow into the air. Two seconds later arrow has gone straight upward to a height of 30 meters above its launch point. a) What was the arrow's initial speed? b) How long did it take for the arrow to first reach a height of 15 meters ab..
A horizontal force of 750 N is needed to overcome the force of static friction between a level floor and a 250 kg crate. What is the acceleration of the crate if the 750 N forces is maintained after the crate begins to move and coefficient of kine..
A person weighs 75 N on the surface of the moon and 427 N on the surface of the Earth. What is the acceleration of gravity on the surface of the moon
An ideal gas is taken through a quasi-static process described by P = alphaV2, How much work is done on the expanding gas in this process
A projectile of mass 0.702 kg is shot straight up with an initial speed of 16.1 m/s. How high would it go if there were no air resistance
An automobile with a mass of 2250 slugs is driven around a circular curve, What is the centripetal force on the car
Find out a magnitude and direction of the electric field
A uniform sphere with mass 57.0kg is held with its center at the origin, What is the magnitude of the net gravitational force due to these objects on a third uniform sphere with mass 0.510kg placed at the point x= 4.00m, y = 0
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