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A 21 kg suitcase is being pulled with constant speed by a handle that is at an angle of 30 degrees above the horizontal.
a.)If the normal force exerted on the suitcase is 180 N , what is the force F applied to the handle? At the local grocery store, you push a 14.0 kg shopping cart. You stop for a moment to add a bag of dog food to your cart. With a force of 13.0 N , you now accelerate the cart from rest through a distance of 2.30 m in 2.65 s.
b.) What was the mass of the dog food?
Vector A is in the direction 44.0 clockwise from the negative y-axis. The x-component of is = -19.0 What is the -y component of A? What is the magnitude of A.
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Clifford is in a real hurry, however, and skips the speedramp. Starting from rest with an acceleration of 0.39 m/s2, he covers the same distance as the ramp does, but in one-fourth the time. Illustrate what is the speed at which the belt of the ra..
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Water at a gauge pressure of 3.0 atm at street level flows into an office building at the speed of 0.40 m/s by a pipe 5.0 cm in diameter. The pipe tapers down to 2.20 cm in diameter by the top floor, 15 m above, where the faucet has been left open. E..
Find the approximate mass of the dark and luminous matter in the Milky Way galaxy. Assume the luminous matter is due to approximately 1011 stars of average mass 1.5 times that of our sun
Megan's mass is 28kg. She climbs the 4.8m ladder of a slide and reaches a velocity of 3.2m/s at the bottom of the slide. How much work was done by friction on Megan? Assume that air resistance is negligible.
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