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How do I determine the uncertainy and slope of a line?
Froima plotted graph a student determined that the best fit line had a slope of 1.227m/s^2 and a y-interecept of 0.32m/s. And the worst fit line has a slope of 1.44m/s^2 and a y interecept of 0.29 m/s. Determine the uncertainty for the slop of the line.
Two friends, Al and Jo, have a combined mass of 164kg. At the ice skating rink, they stand close together on skates, at rest and facing each other.
Compute the Force of Friction (Ff) for a 5kg aluminium block being pulled with constant velocity (uniform motion), up the steel plank that is at a 30degrees angle to the horizontal.
a supertanker with the mass of 3.34^7 kg is moving with a constant velocity .its engines generate a forword thurst of 5.38x10^5 n. determine the magnitude of the upward buoyant force exerted on the tanker by the water
Skier loses a ski at the top of a 98 m hill. The ski proceeds to glide down the hill frictionless. Illustrate what speed is the ski traveling at the bottom of the hill?
Compute the average linear velocity of the discus
For the Atwood's machine, suppose the masses have an initial speed of v = 0.22 m/s and that m2 is moving upward. How high does m2 rise above its initial position before momentarily coming to rest, given that m1 = 3.5 kg and m2 = 3.1 kg.
A woman throws a ball at a vertical wall d = 3.0 m away. The ball is h = 1.5 m above ground when it leaves the woman's hand with an initial velocity of 12 m/s at 45°.
A passenger train is travelling at 32 m/s when the engineer sees a freight train 384 m ahead of his train travelling in the same direction on the same track. The freight train is moving at a speed of 5.7 m/s.
You're designing a highway so that the maximum centripetal acceleration on a curve is no more than 1.0 m/s^2. What is the minimum curvature radius to accommodate a 100 km/h maximum speed? Please show the answer and how you got it!
what is the momentum of a 1800-kg car traveling with a speed of 27m.s (60mph)
An elephant's legs have a reasonably uniform cross section from top to bottom, and they are quite long, An elephant has legs that stretch 2.3 m from its shoulders to the ground. How much time is required for one leg to swing forward after completin..
A man drops a baseball off of the top of the Empire State Building. If an action force is the pull of the Earth on the ball, then what is the reaction force.
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