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Question1
The press box at a baseball park is 36.0 ft above the ground. A reporter in the press box looks at an angle of 17.0° below the horizontal to see second base. What is horizontal distance from the press box to second base?
Question2
An approximately empty bottle of tomato ketchup has some of sauce stuck at the bottom. If you have no utensil (in fact nothing) at hand to use, what in your opinion is the easiest way to get the sauce out? (Consider using Newton's First Law.)
The ratio of the average acceleration values is a1/a2 = 1.24. Find out the velocity of the car at the end of the initial ten-second interval.
A tall tree is growing across a river from you. You would like to know the distance between yourself and the tree, as well as its height, How far away is the tree
A magnetic field of 3 Tesla is oriented into the page. A 10 cm long conducting bar is pulled to the right at a constant speed of 3.4 m/s. What is the power supplied by the person pulling the bar
An ice block is pushed horizontally on a frictionless surface with initial velocity v0. At some point, it comes to the nearly semicircular bump with a radius R=0.42m and the height h=0.33m above the ground.
The rope makes an angle of 70.0 degrees with respect to the vertical as shown. Illustrate what is the tangential speed of the ball?
A 650-N physics student stands on a metric bathroom scale inside an elevator. The elevator (including the student) has a total mass of 875 kg. What is the tension on the elevator cable in both cases
Given an isothermal expansion of gas from 1.0 to 2.0 cubic meters in a piston-cylinder arrangement where pressure varies according to P= 1.2 atm -.062 atm/ m^3 V, How much work was done by the gas
A cubic crystal with interatomic spacing of 0.24 nm is used to select gamma rays of energy 100 keV from a radioactive source containing a continuum of energies. at what angle do the 100 keV gamma rays appear
A 0.235-kg volleyball approaches a player horizontally with a speed of 14.9 m/s. What impulse is delivered to the ball by the player
To what distance x can a person who weighs 411-N walk on the overhanging part of the plank before it just begins to tip.
A 80.5 kg firefighter slides down a pole while a constant frictional force of 300 N retards her motion. Find the firefighter's speed just before she collides with the platform
A silver wire 2.6mm in diameter transfers a charge of 420C in 80minutes. Silver contains 5.8 free electrons per cubic meter. What is the current in the wire
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