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Solve the all parts of given question:
Question: A box of textbooks of mass 25.8kg rests on a loading ramp that makes an angle alpha with the horizontal. The coefficient of kinetic friction is 0.25 and the coefficient of static friction is 0.36.
Part A: At this angle, find the acceleration once the box has begun to move.
Part B: At this angle, how fast will the box be moving after it has slid a distance 5.4m along the loading ramp?
Please include formulas and show work and steps to find the acceleration once the box has begun to move.
A standard bowling ball weighs 17 pounds. You wish to hold a bowling ball infront of you, with the elbow bent at a right angle. Suppose that your biceps attaches to your forearm at 2.5 cm out from the elbow joint, and that your biceps muscle pulls ve..
An electromagnetic plane wave at a certain location has an electric field pointed up which is given as a function of time as E = 54 V/m × sin (6x106 Hz × t). how much energy does the foil absorb
A closed loop of wire is given the shape of a circle with a radius of 0.483 m. find the magnitude of the average induced emf in the wire during this time
A person wearing a seat belt can withstand an acceleration of -310m/s squared. How thick should barriers be to carefully stop a car that hits a barrier at 120km/h.
A blacksmith heats a 1.9 kg iron horseshoe to 480 degree C, then plunges it into a bucket containing 10kg of water at 20 degree C. The specific heat of iron is 447 J/kgK. What is the final temperature.
A projectile proton with a speed of 500 m/s collides elastically with a target proton initially at rest. What is the speed of the target proton after the collision
a very long cylinder of charge has a radius r and charge density pcr2 where c is a constant.a. if the total charge on a
If you charge a capacitor C1 with a battery V, then disconnect the capacitor and use it to charge 3 capacitors C2-4 connected in series, what is the potential difference across each of the four capacitors?
Two spacecraft carrying identical pendulum gravity meters have landed on Mars, one at the equator and one at the North pole. Over a fixed period of time the pendulum at the equator is observed to oscillate 250 times compared with 251 times at the ..
A train is moving parallel and adjacent to a highway with aconstant speed of 23 m/s. Ini- tially a car is 34 m behind thetrain, traveling in the same direction as the train at 34 m/s, and accelerating at 3 m/s2. What is the speed of the car just a..
A rifle with a barrel length of 61.0 cmfires a 10.0 g bulletwith a horizontal speed of 360 {\rm m/s}. How long does it take the bullet to come to rest
In the figure, four long straight wires are perpendicular tothe page, and their cross sections form a square of edge lengtha = 15.5 cm. Each wire carries 4.00 A, and the currents are out of the page in wires 1 and 4 and into the pagein wires 2 and..
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