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From the point 2000 feet closer to mountain along plain, they determine that angle of elevation is 36 degrees. How high is mountain in feet?
Determine maximum height obtained by ball. Determine horizontal distance ball has traveled when it hits ground.
Assume that perimeter of the particular Norman window is to be 24 feet. What must its dimensions be to maximize area of window and, hence, permit in as much light as possible?
From the window in the building, person finds that angle of elevation to top of monument is 15° and that angle of depression to bottom of tower is 2°. How far is person from monument?
The ship leaves port with the bearing of N 64oW. After traveling 13 miles, ship then turns 90o and travels on the bearing os S 26oW for 6 miles. At what that time, find bearing of ship from port?
Determine maximum number of real zeros. Use Descartes's rule of signs to find how many positive and how many negative zeros function has.
There are n black balls and n white balls in the box. Illustrate, that choice of two balls of same colour happens less frequently than choice of balls of different colours. What occurs if n is very
Determine equilibrium price for hot dogs at baseball game. Determine the equilibrium quantity? Find prices for which quantity demanded is less than quantity supplied.
Order of reacton, Calculate the rate constant of a first-order reaction which has 7.70 minutes for the reactant concentration to drop to half of its initial value?
A long pole of 4.00 m stands vertically in a lake with a depth of 2.00 m. If the Sun is 40.0 degrees above the horizontal, find out the length of the pole's shadow on the bottom of the lake. Take th
While running, a person dissipates around 0.60 J of mechanical energy per step per kilogram of body mass. When a person of 52 kg develops a power of 73 W throughout a race, determine how fast is the
What is the average acceleration of the clay during the time it is in contact with the ground? (Treat the ball as the particle.)
A wizard places cannon on the surface of the distant planet that consists of the gravitational Force of half of earth's. A ball of 50 kg is fired from the cannon at 48 degrees from the horizontal. T
The coefficient of static friction among the ladder and the ground is 0.70 and the ladder forms a 50.0° angle with the ground. Determine how far up the ladder can 740 N person climb before the l
Hot-air balloon is mounting at the rate of 12 m/s and is 96 m above the ground if a package is dropped over the side. (i) Determine how long does the package take to reach the ground?
Determine the pH of the solution made by adding .50 mol of HOBr and .30 Mol of KOBr to 1. L of water and when the value of Ka for HOBr is 2.0 x 10-9.
When the experimental procedure has you wash your thermometer and dry it before you calculate the temperature of the HCL solution and after you calculate the temperature of NaOH solution. Why?
When the ball is in contact with the floor for 0.0325 s, determine the magnitude of the average force on the floor from the ball?
It can be reduced from physical principles that path of ball is modeled by function. Determine maximum height attained by ball. Determine horizontal distance ball has traveled when it hits ground.
The electron and neutrino are emitted at the right angles and encompass momentum of 9.40 x 10-23 kg•m/s, and 5.50 x 10-23 kg•m/s, correspondingly. Find out the magnitude and direction of the
If a golf club hits a golf ball, the club is in contact with the ball for around 0.0017 s. The ball of 45 g attains a speed of 66 m/s. (i) Determine the magnitude of the impulse exerted to the ball?
A circular loop in the plane of screen lies in the 0.64 T magnetic field pointing into the screen. When the diameter of loops changes from 20.0 cm to 6.0 cm in 0.50 s, find out the given. (i) Deter
Assume that perimeter of the particular Norman window is to be 24 feet. What must its dimensions be to maximize area of window and, hence, allow in as much light as possible?
Explain what kind of solvent is most useful for promoting a neutral nucleophile and why? In Sn2 reactions you have the option of using a great number of nucleophiles.
When the slits encompass a separation d = 0.0310 mm, determine the minimum distance from the slits to the screen if 610 nm light is employed?