How long does it take the rock to reach half its maximum height? How long is the rock aloft?

Q: A5 feet 6 inches tall man is walking away from a lamppost at a rate of 2 ft/sec. If the lamppost is…

A: We have, A 5 feet 6 inches (5.5 feet) tall man is walking away from the lamppost of height 12 feet…

Q: A toy rocket is launched from ground level with the initial velocity of 96 ft./s  How many seconds…

A:

Q: A small rocket was launched straight up from a platform. After 5 seconds, the rocket reached a…

A: g=-32ft/s2 v(t)=gt+v0 s(t)=(1/2)gt2+v0t+h0

Q: a crane lifts a 1000 lb science desk to a height of 20 ft using a chain that weighs 2 lb/ft. If the…

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Q: A streetlight is mounted at the top of a 16 foot pole. An 8 foot tall Sasquatch walks away from the…

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Q: A ladder 17 meters long is leaning against a wall. If the bottom of the ladder is being pushed…

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Q: Number of bacteria in a rapidly growing culture was estimated to be 10,000 at noon, 40,000 after…

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Q: A bomb is dropped from a helicopter hovering at an altitude of 1076 feet above the ground. From the…

A: From the given information, the value of x=500 and x0=1076 and the value of g=32fts2. Substitute…

Q: A neighborhood carnival has a merrygo-round whose radius is 25 feet.If the time for one revolution…

A: Since,it is known that the speed can be calculated by using the formula speed=Radius×Angular…

Q: A particle moves along a straight line with a velocity v(t) =t*e meters per second after t seconds.…

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Q: A landscape light at ground level lights up the side of a tall building that is 15 feet from the…

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Q: a)How quickly is the water leaving the barrel over the first two seconds? b)Will the water drain…

A: The solution is given below in the next step:

Q: In developing a paint line process for an appliance manufacturer, a given component on a conveyor…

A: To Determine: The lenght of the booth. Given: A given component on a conveyor belt passes a given…

Q: A population of yeast cells can double in 6 hours. Assume an initial population of 4,000 cells.Write…

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Q: Assume that a runner runs a 100 meter sprint in 12.3 seconds. He accelerates steadily in the first…

A: The runner accelerates steadily in the first 25 meters. Let the acceleration be a m/s2 and suppose…

Q: A landscape light at ground level lights up the side of a tall building that is 15 feet from the…

A: Concept: Landscape lightning is used for outdoor illumination of private gardens and public…

Q: A car traveling at 42 ft/sec decelerates at a constant 44 feet per second per second. How many feet…

A: Given,A car traveling at 42 ft/sec decelerates at a constant 4 feet per second.i.e., initial…

Q: A carpenter has two water pipes which are 60 dm and 72 dm, respectively. He cuts them into equal…

A:

Q: Show that a projectile attains three-quarters of its maximum height in half the time it takes to…

A: Show that a projectile attains three-quarters of its maximum height in half the time it takes to…

Q: Consider an object in a surrounding with constant temperature of 25°C. If the temperature of the…

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Q: true or false that The plane stayed at a constant height for apprOximately 2 hours

A: Given,  In the above statement it is asked whether the plane fly at constant height for two hours

Q: A rocket can rise to a height of h(t) = + 0.6t2 feet in t seconds. Find its velocity and…

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Q: A Plane (Plane A) travels North at a speed of 800 kph. after 15 minutes, another plane (plane B)…

A: Planes are moving same direction :

Q: An airplane, flying horizontally at an altitude of 1km, passes directly over an observer. If the…

A: Given: y = altitude = 1km  constant speed of plane dx/dt = 240kph

Q: A coin of mass 0.05kg is dropped from the top of the Eiffel tower, which is 300m tall. It…

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Q: Approximately how many seconds does it take for the object to return to its minimum height? seconds

A: From the graph, the minimum height of the graph can be noticed:

Q: A man 1.69m m tall i s walking on a horizontal street at 3.2 kph away from a vertical street light,…

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Q: A Ferris wheel is 30 meters in diameter, turns counterclockwise, and is boarded at the six o’clock…

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Q: Suppose a cyclist was using a 150-millimeter-diameter chainring and an80-millimeter- diameter…

A: Given: Let, dc  and rc denotes the diameter and radius of Chainring respectively and ds  and  rs…

Q: The cost of installing insulation in a particular two-bedroom home is $2400. Present monthly heating…

A: Given: The cost of installing insulation in a particular two-bedroom home is $2400. Present monthly…

Q: At t sec after liftoff, the height of a rocket is4t2 ft. How fast is the rocket climbing 7 sec after…

A: We have the height of the rocket as a function of time after liftoff as h(t)=4t2 Now h'(t)=4·2t=8t

Q: A toy rocket is launched at an initial velocity of 50 ft/s at an angl of 75° with the horizontal.…

A: Here, given that the initial velocity 50 ft/s and the angle is 75°

Q: A car traveling at 46 ft/sec decelerates at a constant 7 feet per second per second. How many feet…

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Q: (d) If the ornithologists observe that birds of a certain species reach the shore at a point 3 km…

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Q: A car traveling at 46 ft/sec decelerates at a constant 8 feet per second per second. How many feet…

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Q: The cost of installing insulation in a particular two-bedroom home is $2400. Present monthly heating…

A: It is given that present heating cost per month is $200. As the heating cost reduced after…

Q: A runner starts at the beginning of a runners' path and runs at a constant rate of 5 mi/hr. Fifteen…

A: First, we need to calculate the relative speed which is, the difference between the speed of the…

Q: A group of fitness club members lose a combined total of 28 kilograms in 1 week. There are…

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Q: Find how much more energy was released by an earthquake of magnitude 6.9 than by an earthquake of…

A: Solution: use formula Log E = 11.8+1.45M

Q: A 500 mL IV starts at 9pm and runs at 33gtt/min with a drop factor of 10gtt/mL.  At what time will…

A: Algebra Question

Q: The fixed sides of an isosceles triangle are of length 6 cm. (See the figure.) If the sides slide…

A: Given: The fixed sides of an isosceles triangle are of length 6 cm and the sides slide outward at a…

Q: A car traveling at 60 mi/h (88 ft/s) skids 176 ft after its brakes are suddenly applied. Under the…

A:

Q: on the moon, the acceleration of a free falling object is a(t) = -1.6 meters per second per second.…

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Q: Acar traveling 25 m/s begins to decelerate at a constant rate of 4 m/s2. After how many seconds does…

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Q: A ship leaves point A and sails north at the constant rate of 12 knots. Two hours later, a second…

A: lets assume speed of ship in north direction = dydt = 12 knots speed of sheep in east direction =…

Q: was an earthquake in South America with magnitude 4.3 that caused only minor damage. How many times…

A:

Q: What constant acceleration will bring an automobile traveling 60 mph to rest in 160 feet?

A: Explained below

Q: Which vehicle has traveled farther at t = 2 seconds?

A: H