An accepted relationship between stopping​ distance, d in​ feet, and the speed of a​ car, v in​ mph, is d left parenthesis v right parenthesis equals 1.2 v plus 0.05 v squaredd(v)=1.2v+0.05v2 on​ dry, level concrete. ​ (a) If an accident occurs 250feet​ ahead, what is the maximum speed at which one can travel to avoid being involved in the​ accident?

Q: A constant propulsion force of magnitude F = 10 N acts on a on a rocket of mass 2 x 10 kg. Find…

A: Here a constant propulsion force of magnitude F=104N acts on a rocket of mass 2×103 kg We have to…

Q: The velocity v, in feet per second, of the water pouring out of a small hole in the bottom of a…

A: The velocity v, in feet per second, of the water pouring out of a small hole in the bottom of a…

Q: The height (feet) of a ball launched in the airt seconds after it is launched is given by: f(t) = -…

A:

Q: An accepted relationship between stopping distance, d in feet, and the speed of a car, v in mph, is…

A: For this problem we have to use given equation.

Q: Water is running into a hemispherical bowl having a radius of 10cm at a constant rate of 3cm3/min.…

A:

Q: The height y (in feet) of a ball thrown by a child is 1 y 162² +42 +5 where a is the horizontal…

A:

Q: A buoyant object is dropped into a tank full of liquid. The height of the object above the bottom of…

A:

Q: The height y (in feet) of a ball thrown by a child is y = T6+4x +5 16 - - where z is the horizontal…

A: Given  y=-x216+4x+5 where y is height  x is horizontal distance.

Q: Suppose that an air cannon in the punkin chunkin contest whose muzzle is 14 feet above the ground…

A: We have to find the time for maximum height , maximum height and time when pumpkin strike the…

Q: The velocity v, in feet per second, of the water pouring out of a small hole in the bottom of a…

A:

Q: A water pipe having a 2.88 cm inside diameter carries water into the basement of a house at a speed…

A: Here, the given radius of the first end is r1=2.882=1.44 cm Now, the speed at the first end is…

Q: Use the model given to answer the question about the object or process being modeled.

A:

Q: You've been asked to calculate the mass of a conical pile of sawdust measuring 7 meters high with a…

A:

Q: 3. Find the total force of water on a dam such that the water is touching the dam in a shape of a…

A:

Q: EXAMPLE 4 A ball dropped from the top of a building.. How tall is the building if the ball took 12…

A: Find the height of the building.

Q: The drag force F on a boat varies jointly with the wet surface area A of the boat and the square of…

A: Drag force F directly varies with surface area A and square of the speed s.Wet surface area of boat…

Q: At noon, ship A is 150km west of ship B. Ship A is sailing south at 45km/h and ship B is sailing…

A:

Q: A skydiver weighing 222 lbf (including equipment) falls vertically downward from an altitude of 5000…

A: a. Here we have given that skydiver weighing 222 lbf falls vertically downward from an altitude of…

Q: The distance d (in ft) required to stop a car that was traveling at speed v (in mph) before the…

A: d=0.02v2+1.2v Where d is distance in ft and v is speed in mph  a) find distance     Here given…

Q: Suppose the speed of a car approaching a stop sig second. a. Find v'(6). b. Interpret the physical…

A:

Q: A hole in the ground in the shape of an inverted cone is 10 meters deep and has radius at the top of…

A:

Q: 2. A police officer used the model d = 0.1v2 + 1.1v for a car's stopping distance, where v is the…

A: The model to calculate the stopping distance of car is given as follows: d=0.1v2+1.1v…

Q: The height y (in feet) of a ball thrown by a child is 1 y = - -x² + 6x + 3 12 where is the…

A:

Q: An accepted relationship between stopping distance, d in feet, and the speed of a car, v in mph, is…

A: For this problem, we can find d and v at any instant by using given equation.

Q: The amount a spring stretches when a force (F) is applied can be modeled by the formula shown in the…

A: Given,  X = -1kF  Where F is the force and X is the distance spring stretches and k is the spring…

Q: (b) Find the constant of propontionality for a windmill that produces 136 watts of power when the…

A:

Q: A man needs help in the middle of the sea with handheld VHF radio at a height of 8 ft. Determine the…

A:

Q: An accepted relationship between stopping distance, d in feet, and the speed of a car, v in mph, is…

A: We can found speed and no. Of feets at any instant by using given equation

Q: The velocity v, in feet per second, of the water pouring out of a small hole in the bottom of a…

A:

Q: 8. A man is in the island at a point R 12 km c bank. A resort is at a point P 15 km from km/h where…

A: Given, a man is on the island at a point R 12 km offshore from the nearest point O of a straight…

Q: The formula for the maximum focus range or hyperfocal distance, H, of a camera is given by H = f.c…

A: Given equation

Q: A projectile is fired from a cliff 190 feet above the water at an inclination of 45° to the…

A: NOTE: Refresh your page if you can't see any equations. . where x=horizontal distance  and…

Q: t If the velocity of a moving object is v(t) =——- 2/2 in meters per second, then what is its…

A: We know that velocity vt = dsdt, here s is the velocity.

Q: A train traveling up an incline of 4° travels a horizontal distance of 4 km. How much altitude has…

A:

Q: A projectile is fired from a cliff 190 feet above the water at an inclination of 45° to the…

A: For the maximum height, dh(x)dx=0. To find the horizontal distance when the height of the projectile…

Q: A drive has a maximum speed of 10,000 revolutions per minute. If a disk has a diameter of 12 cm,…

A: GivenA drive has maximum speed of 10000 revolutionminDisk has diameter=12cm

Q: The position from its starting point of a small plane preparing for takeoff is given by x(1) =…

A: We have to given the position.  We have to find the acceleration.

Q: 6. During the worst 4-hr period of a hurricane the wind velocity in miles per hour is given by v =…

A: The average value of the function is given by;0≤t≤4v(t)=1b-a ∫abv(t) dt     =14 ∫04(5t-t2+100) dt

Q: The velocity of an object is v(t) = 50 – t2, osts 6 where v is measured in meters per second and t…

A:

Q: The vertical distance from the ground, in feet, of a point on a wheel as it rotates is given by…

A: to find-  Time t

Q: 15 The altitude in feet attained by into flight is giver by: h (t)=-늦t +4t?+20+ Find the maximum…

A:

Q: Q3) Suppose that highest terrain h1 average terrain havg' and lowest terrain h2 are 610, 460, and…

A: Solution

Q: An accepted relationship between stopping distahce, din feet, and the speed of a car, v in mph, is…

A: To find the maximum speed to avoid the accident, solve the quadratic equation using quadratic…

Q: The height y (in feet) of a ball thrown by a child is 1 y = - -x² + 4x + 5 16 where x is the…

A:

Q: A fireworks mortar is launched straight upward from a pool deck platform 4 m off the ground at an…

A: Given: ht=-4.9t2+61t+4 for finding maximum height, first we draw graph of given height function as…

Q: The shape of a colony of bacteria on a Petri dish is circular. Find the approximate increase in its…

A: Using the help of derivative.

Q: The height y (in feet) of a ball thrown by a child is 162 + 2z + 5 where ¤ is the horizontal…

A:

Q: The distance d (in ft) required to stop a car that was traveling at speed v (in mph) before the…

A: a.Obtain the distance required to stop the car going 50 mph.