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Q1. The press box at a baseball park is 35.0ft above the ground. A reporter in the press box looks at an angle of 14.7 degree below the horizontal to see second base. What is the horizontal distance from the press box to second base?
Q2. The stairs are 83 long and inclined at the angle of 31. If a player has a mass of 87, estimate his average power output on the way up. Overlook friction and air resistance.
Find out the effective coefficient of kinetic friction
And if the plane could fly without this pilot, how much force would the plane require to maintain the equal acceleration?
What is the speed of the water leaving the nozzle
An 825-N sled is pulled a distance of 161 m. The task requires 1.50 ^ 10^4 J of work and is done by pulling on a rope with a force of 137 N. At what angle is the rope held.
W hat is crates acceleration
A converging lens of focal length 18 cm is 30 cm to the left of a diverging lens of focal length - 6 cm. a coin is placed 12 cm to the left of the converging lens. Find (a) location and (b) magnification of the coin's final image.
Please helps me out for determining the following if the capacitor in the circuit below is initially uncharged.
What is its velocity at impact? What will its average velocity be? What will its average speed be.
Consider the 642 N weights held by two cables shown. The left-hand cable had tension T2 and makes an angle of thelta2 with ceiling. The right-hand cable had tension 460 N and makes an angle of 47 degrees with the ceiling.
A person exerts a horizontal force of F = 175 N in the test apparatus shown in the drawing. (h = 0.25 m.) Find the horizontal force M that his flexor muscle exerts on his forearm.
The sound level measured in the room by a person watching a movie in a home theatre system varies from 63 dB throughout a quiet part to 92 dB throughout a loud part. In the order of how many times louder is the latter sound.
When two point charges are a distance R apart, their potential energy is -2.00 .How far (in terms of R) should they be from each other so that their potential energy is -6.00.
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