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A child pulls an 15 kg- wagon with a horizontal handle whose mass is 1.9 kg , accelerating the wagon and handle at 2.5 m/s^2 . A. Find the tension force at end of the handle near to the child. B. Find the tension force at end of the handle near to the wagon.
Changes in wind and tide made average speed on return trip 3 mph slower than the speed on the way out. If the total time of the trip took 9 hours find speed of both the going and the return trip.
A spring with constant k = 40 N/m is at the base of africtionless, 30.0 degree-inclined plane. how far along the incline will it travel before it stops
Mary runs off a diving board with a velocity of 1.7 m/s in the horizontal direction. If the water surface is 2 meters below the board: A. how long will it take for her to hit the water B. where will she hit the water C. With what velocity will she..
An electron is released from rest at the negative plate of a parallel plate capacitor. How fast is the electron moving just before it reaches the positive plate
a harvest mouse can detect sounds as quiet as -10 dB. suppose you are sitting in a field on a very quiet day while a harvest mouse sits nearby at the entrence to its nest, How far is the harvest mouse from the leaf
Consider a theoretical head-on collision between two carts of equal mass and equal speed. What is the total momentum after the collision
The student sits on a pivoted stool while holding a weight ineach outstretched hand. The stool rotates about a verticalaxis through its center. Calculate the new angular speed of the system
A current of 6.71 A in a solenoid of length 11.0 cm creates a 0.339-T magnetic field at the center of the solenoid. How many turns does this solenoid contain
A Doctor order to prepare a glass for a patient with anti-reflection coating for 400 nm and 700 nm wavelength light. Find the minimum thickness of the coating required for this job
A golfer, standing on a fairway, hits a shot to a green that is elevated 6.91 m above where she is standing. find the time that the ball is in the air before it hits the green
A meterstick moving at 0.931c relative to Earth approaches an observer at rest with respect to Earth. What is the meterstick's length, according to the observer
A bicycle rider has a speed of 19.0 m/s at a height of 55.0 m above sea level when he begins coasting down hill. what is the rider's total mechanical energy when he coasts to a height of 25.0 m above sea level
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