stone is dropped from the top of a building 1024 ft high. When does it hit the ground and with what velocity?

Q: A helicopter spraying fertilizer over a field can fly 0.4 miles downwind in the same time it can fly…

A:

Q: A plane flies 470 miles with the wind and 310 miles against the wind in the same length of the time.…

A:

Q: A Rams running back, carrying the ball straight down the near sideline with a velocity of 7.5 m/s…

A: Given: To explain the correct option of the given statement as follows,

Q: A 1.6-m-tall woman stands next to the Eiffel Tower. At this time of day, her shadow is 0.5 m long.…

A:

Q: A projectile is shot upward from the top of a 220-foot building with an initial velocity of -22 feet…

A:

Q: It takes you 59 seconds to walk from the first (ground) floor of a building to the third floor. How…

A: Given- It takes 59 seconds to walk from the first (ground) floor to the third floor of the building.…

Q: A host covers 32 km upstreams and 36 km downdtreams in 7 hours.Also, it covers 40 km upstreams and…

A:

Q: A cyclist covers his first five km. at an average speed of 10 km. p.h., another km. at 8 km. p.h.…

A:

Q: Two runners begin at the same point on a 390-m circular track and run at different speeds. If they…

A: Let x represents the speed of the one runner and y represents the speed of another runner.

Q: At 3:00 PM a man 139 cm tall casts a shadow 148 cm long. At the same time, a tall building nearby…

A: At 3:00 PM a man 139 cm tall casts a shadow 148 cm long The ratio of height to the shadow is  139148…

Q: The diameter of the front wheels of a tractor is 0.8 m and the diameter of the back wheels is 1.1 m.…

A:

Q: A small plane leaves a coastal city at uniform speed flying into a head- wind to an island-airport…

A: Let speed of plane in still air is x km/hr and the speed of wind is y km/hr. Then relative speed…

Q: An object is thrown into the air at a height of 60 feet. After 1 second and 2 second, the object is…

A: Given:

Q: An airplane travels 5096 kilometers against the wind in 7 hours and 5796 kilometers with the wind in…

A:

Q: A string is cut into two pieces such that one piece is four times as long as the other. How long is…

A: In this question we have to find how long the shorter piece.

Q: What is the height of a projectile in 2 seconds if its initial height is 500 ft, and it has a…

A:

Q: A motorboat travels 216km in 4 hours going upstream and 520km in 5 hours going downstream. What is…

A: let the speed of a boat in still water is u km/hr and the speed of the stream is v km/hr, then:Speed…

Q: When a small airplane flies with the wind, it can travel 450 miles in 3 hours. When the same…

A:

Q: A plane flies 465 miles with the wind and 345 miles against the wind in the same length of time. If…

A: When plane flies in the direction of wind then net speed of plane is equal to  speed of plane in…

Q: A car traveling on the Taconic parkway travels 84 miles in two hours. What is the cars speed (a…

A: Given: The distance travelled by the car in two hours is 84 miles.

Q: A boy is twirling a model airplane on a string 5 feet long. If he twirls the plane at 0.25…

A:

Q: The altitude of a triangle is increasing at a rate of 1.51.5 centimeters/minute while the area of…

A: The altitude of a triangle is increasing at a rate of 1.5 cm/min Area of the triangle is increasing…

Q: When a rubber ball falls, it rebounds to a height 60% of the height from which it dropped. If the…

A: SOLUTION-

Q: a man who is standing 5 meters above a shoreline is pulling up a boat that is 12 meters away from…

A:

Q: A snail moves 1/50 of a mile in 5/6 of an hour. if the snail continues at this pace, how far, in…

A:

Q: Solve in digital format please If the side of a cube measures 24 cm, calculate the approximate…

A: Given query is to find the increased in volume.

Q: It takes you 32 seconds to walk from the first (ground) floor of a building to the third floor. How…

A: Time taken to walk from First floor to third floor = 32 seconds Time taken to walk from First floor…

Q: A projectile is fried straight up in the air and is traveling at the same speed for the first 10…

A: Given that the projectile is traveling at the same speed for the first 10 seconds.  Let then its…

Q: The side of an equilateral triangle decreases at the rate of 1 inch per second. When the area is 100…

A:

Q: The record height of a man to date is 8 feet 11 inches (107 inches). If all men had identical body…

A: follow next step

Q: It took a salmon 45 seconds to swim upstream to a certain spot. The salmon then turned around to…

A: To find speed of salmon

Q: When a plane flies with the wind, it can travel 4200 miles in 6 hours. When the plane flies in the…

A: Let x and y be the average velocity of the plane in still air and the average velocity of the wind…

Q: A stone is dropped from a cliff of height of 1300 meters. When will the stone reach the ground?

A: Given,  Initial velocity, u = 0 ( rest) Height of the cliff , h = 1300m  Time taken to reach the…

Q: A man rows a boat 500 feet upstream against a constant current in 10 minutes. He then rows 300 feet…

A: Let  Speed of current is x ft/min Speed of boat in still water is y ft/min   Now, Speed of boat in…

Q: As Nancy walks away from a 700 cm lamppost, the tip of her shadow moves 40% faster than she does.…

A: Height of lamppost = 700 cm Tip of her shadow moves 40% faster than she does.

Q: An airplane travels 3040 kilometers against the wind in 4 hours and 3520 kilometers with the wind in…

A: Let the rate of the plane in still air is = x km/h and the rate of the wind is=y km/h So the speed…

Q: A car move with an initial velocity 60 km/h, then accelerate at 7000 km/h2 along a straight road.…

A:

Q: The distance between two cities is 144km, it takes me 3hours to travel between these cities. What…

A: Given that distance d=144 km and time taken, t=3 hrs. It is known that speed=distancetime.

Q: A girl is twirling a model airplane on a string 4 feet long. If she twirls the plane at 1/3…

A:

Q: How much work is done lifting a 20-pound object from the ground to the top of a 50-foot building if…

A:

Q: A plane flies 500 mi/h. The plane can travel 1100 miles with the wind in the same amount of time as…

A: Let w be the speed of the wind.

Q: When a small plane flies with the wind, it can travel 800 miles in 5 hours. When the plane flies in…

A: Consider the average velocity of a plane be "x". Consider the average velocity of the wind be "y".…

Q: When a plance flies with the wind, it can travel 1440 miles in 3 hours. when the plane flies in the…

A:

Q: A woman rows a boat 1.75 miles upstream against a constant current in 35 minutes. She then rows the…

A:

Q: A boat man rows to a place 50 miles distant and back in 18 hours back, find that he can row 3 miles…

A: The rate of the stream = 1/2 ( a-b ) miles / hour where a is the speed downstream and b is the speed…

Q: Light travels at a rate of approximately 1.86 x 10$miles per second. It takes light 5 × 102 seconds…

A: Distance is given by the formula Distance=Speed·Time. Distance travelled by light is given by the…

Q: In terms of π, how much longer is the crust on a pizza with a radius of 10 inches than the crust of…

A: The radius of one pizza is 10 inches and radius of another pizza is 5 inches. The amount of the…

Q: When a plane flies with the wind, it can travel 2160 miles in 3 hours. When the plane flies in the…

A: Let the average velocity of the wind = w miles per hour  Let the average velocity of the plane in…