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The angle of depression from the bird to the feet of an observer standing away fromt he lamppost is 35 deg. The horizontal distance from the bird to the observer is 25 meters. How tall is the l
As it leans against a building, an 8 meter ladder makes an angle of 62 deg with the ground. How far is the bottom of the ladder from the base of the building to the nearest tenth of a meter?
A man is walking along a straight road. If the height of the tower is h=40 m, then what is the distance in meters of the man from the tower?
A little boy is flying a kite. The string of the kite makes an angle of 30 deg with the ground. If the height of the kite is h=21 m, find the length in meters of the string that the boy has use
At the same time she measures the angle of depression of the landing spot to be 17 deg. How far away, to the nearest meter, is the landing spot from a point on the gorund vertically below the bal
Safety rules indicate that a ladder placed against a building. Find the leaste angle, correct to 1 decimal place, between the ground and a ladder according to safety rules.
Two men on opposite sides of a TV tower of height 26 m notice the angle of elevation of the top of this tower to be 45 deg and 60 deg respectively. Find the distance in meters between the two men
As seen from the top of the first tower, the angle of depression of the second tower's base is 60 deg and that of the top is 30 deg. What is the height in meters of the second tower?
The angle of depression to the top of the mast and the base of the ship equal 30 deg and 45 deg respectively. How far is the ship fromt he lighthouse in meters?
The angle between the horizontal and gondola cable is 17.62 deg. Find the vertical rise of the gondola lift, correct to the nearest meter.
Two men on the same side of a tall building notice the angle of elevation to the top of the building to be 30 deg and 60 deg respectively.
He then turns 90° and walks 3.4 miles in the direction N 55° W. At that time, how far is he from his starting point, and what is his bearing from his starting point?
At the point of 210 m down street, the top of the bilding has an angle of elevation of 15 degree. How tall is the building?
Find the angle of the take-off (relative to the horizontal), and the magnitude of his take-off velocity. Without air resistance, how high and how long can he jump?
Suppose Bob bought an SUV that originally had tires with a iameter of 26 inches. If Bob's speedometer reads 85 mph, what is Bob's actual speed?
A naval cruiser on maneuvers travels 54.0 km at 18.7 degrees west of north, then turns and travels 64.5 km at 15.6 south of east. Find its displacement from its original position.
At the point where there are 36.0 ft of rope out, what force tends to bring the boat toward the wharf, and what force tends to raise the boat.
One force of 60.5 lb acts at an angle of 82.4 degrees above the horizontal, and the other force of 37.2 lb acts at an angle of 50.5 degrees below the first force. What is the total upward force o
The arm of a car windshield wiper is 12.75 in long and its attached at the middle of a 15.00 in blade. (assume that the arm and blade are in line.) What area of the windshield is cleaned by the wi
A wrecking ball is dropped. Its velocity at the bottom of its swing is V=√2gh, Where g, is the acceleration due to gravity. What is its angular velocity at the bottom if g=9.80 m/s and h=4.
What is the angle of depression from the top of the tower to a cell phone user who is 5 horizontal miles away and 400 feet above sea level?
The angel of elevation to the peak s 2.5 degrees. After you drive 17 miles closer the angle of elevation is 9 degrees. Approximate the height of the mountain.
If the glasses sit 1.9 cm from the eye, what is that person's near point? (Assuming the glasses are designed to allow focus on an object at the normal near point of 25 cm.)
How many 40W, 60lm/W flourescent lamps would be needed to provide an illuminance of 250lm/m^2 on a factory floor of an area 25m x 30m?
How far from a 53.4 mm focal-length lens must an object be placed if its image is to be magnified 2.20 and be real?