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Problem: A 38.3 kg wagon is towed up a hill inclined at 16.1 ? with respect to the horizontal. The tow rope is parallel to the incline and has a tension of 117 N in it. Assume that the wagon starts from rest at the bottom of the hill, and neglect friction. The acceleration of gravity is 9.8 m/s 2. How fast is the wagon going after moving 52.7 m up the hill?
A spring with spring constant k = 400 N/m is used to launch a mass m = 2.0 kg up a frictionless inclined plane having an angle of elevation θ= 37o. What is the maximum vertical height reached above the starting elevation (the ground) of the mass d..
A science student is riding on a flatcar of a train traveling along a straight horizontal track at a constant speed of 12.9 m/s. How high does the ball rise
A worker pushes horizontally on a large crate with a force of 297 N, and the crate is moved 4.8 m. How much work was done.
If the average energy released in a fission event is 208 MeV, calculate the total number of fission events required to operate a 140 W lightbulb for 6.00 hr
Using a simply pulley/rope system, a crewman on an Arctic expedition is trying to lower a 5.52 kg crate to the bottom of a steep ravine of height 23.9 meters. At what speed will the crewman hit the bottom of the ravine
A 65.0-kg person throws a 0.0410-kg snowball forward with a ground speed of 26.0 m/s. What are the velocities of the two people after the snowball is exchanged
A 8-m long wire with a mass of 10 g is under tension. A transverse wave for which the frequency is 450 Hz, the wavelength is 0.9m, and the amplitude is 8.6 mm is propagating on the wire. What is the maximum transverse acceleration of a given point..
A human cannonball with a mass of 70 kilogram receives a movement quantity (J) of 4 x 103 N(s) during 0.35 seconds. Obtain the force that acts upon the human cannonball
q1. a solenoid is to be constructed that will have a resistance of 5.00 ohms and produce a magnetic field of 0.0400 t
A charging RC circuit controls the intermittent windshield wipers in a car. The emf is 12.0 V. What resistance should be used in the charging circuit
Two point charges, +3.09 µC and -6.05 µC, are separated by 1.33 m. What is the electric potential midway between them?
A shell is fired from a gun with a muzzle velocity of 35 m/s, at an angle of 60° with the horizontal. How far from the gun does the other fragment land
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