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Q1. A golf ball with an initial angle of 50° lands exactly 229 m down the range on a level course.
A) Neglecting air friction, what initial speed would achieve this result?
B) Using the speed determined in item (a), find out the maximum height reached by the ball.
Q2. An unstretched spring with spring constant 21 N/cm is suspended from the ceiling. A 3.3 kg mass is attached to the spring and let fall. To the nearest tenth of the centimeter, how far does it stretch the spring?
Weight of a box is 150 pounds. The horizontal force required to move the box is 70 lb. What horizontal force is required if 60lbs is added to box.
How to find out the force of friction
Compute dissimilarity in blood pressure
The angular momentum of the electron as it moves around the center of the circle is 1.40 × 10-25J•s.Find the radius of the circular path.
A 600 turn solenoid, 25 cm long, has a diameter of 2.8 cm. A 10 turn coil is wound tightly around the center of the solenoid. If the current in the solenoid increases uniformly from 0 to 5.0 A in 0.48 s, what would be the induced emf magnitude in the..
Assume the charge on black hole is 5740 C. At what distance from it is the electric potential equal to 1100 V.
Find the final displacement from the starting point. How much greater was the distance she walked than her displacement.
Estimation instantaneous rate of evaporation
You're carrying a 4.0-m-long, 25 poles to a construction site when you choose to stop for a rest. You place one end of the pole on a fence post and hold the other end of the pole 35 from its tip. How much force should you exert to keep pole motionles..
How to find the length
What is magnitude of the net force on the student
What is the decibel level required for human perception
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