How high above the starting point does the pebble fly
You shoot a 47-g pebble straight up with a catapult whose spring constant is 320 N/m. The catapult is initially stretched by 0.20 m. How high above the starting point does the pebble fly? Ignore air resistance.
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State the composition of saliva, gastric juice, pancreatic juice and intestinal juice
A 7.4 g bullet leaves the muzzle of a rifle with a speed of 493.1 m/s. What constant force is exerted on the bullet while it is traveling down the 0.8 m length of the barrel of the rifle?
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The velocity graph of a car accelerating from rest to a speed of 60 km/h over a period of 30 seconds is shown. Estimate the distance, d traveled during this period. (Use M6 to get the most precise estimate. Round the answer to two decimal places.)
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The magnetic force acting on a wire that is perpendicular to a 5.2 T uniform magnetic ?eld is 8.0 N. If the current in the wire is 5.0 A, what is the length of the wire that is inside the magnetic ?eld? Answer in units of m.
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