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A train moving with constant velocity travels 180north in 12 and an undetermined distance to the west. The speed of the train is 36 M/S^2.
A. Find the direction of the train's motion relative to north.
B. How far west has the train traveled in this time?
A 75-m long train begins unknown uniform acceleration from rest.The front of the train has a speed of 23 m/s when it passes arailway worker who is standing 180m from where the front of the train started. What will the speed of the last car be as i..
A converging lens (f = 13.0 cm) is held 6.20 cm in front of a newspaper, the print size of which has a height of 2.20mm. Find (a) image distance (in cm) and (b) height (in mm) of the magnified print.
What is the work completed by the force of gravity.
A 2.03 kg book is placed on a flat desk. Suppose the coefficient of static friction between the book and the desk is 0.502, How much force is needed to keep the book moving at constant speed once it begins moving
a spring contant k=11.75 N/m is hung vertically. What is the displacement of the end of the sprig due to the weight of the 0.500kg mass
During a violent storm, a car is struck by a failing high-voltage wire that puts an excess charge of -850 mircoC on the metal car. how much is on the outer surface of the car
On a spacecraft, two engines fire for a time of 598 s. One gives the craft an acceleration in the x direction of ax = 4.92 m/s^2, while the other produces an acceleration in the y direction of ay = 7.60 m/s2. At the end of the firing period, the c..
Shaving/makeup mirrors typically have one flat and one concave (magnifying) surface. What is the focal length of the mirror
A 7.50 nC charge is located 1.80 m from a 4.20 nC charge. (a)Find the magnitude of the electric force that one particle exerts on the other. (b) Is the force attractive or repulsive?
In one design, the large spring with spring constant 2.0×10^4 was placed behind the cannon. The other end of the spring braced against a post that was firmly anchored to the ship's frame.
A superhero flies 147 m from the top of a tall building at the angle of 33 degrees below the horizontal. What is the vertical component of the superhero's displacement.
An initially motionless test car is accelerated uniformly to 145km/h in 8.28s before striking a simulated deer. The car is in contact with the faux fawn for .815s, after which the car is measured to be traveling at 82.0km/h. What is the magnitude ..
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