Is there a simple way to figure this out? Help please   The position of a model train, in feet along a railroad track, is given by s(t) = 2.5t + 10 after t seconds. (a) How fast is the train moving?  (ft/sec) (b) Where is the train after 4 seconds?  (feet along the track) (c) When will the train be 25 feet along the track? (t=sec)

Q: A tank contains 1520 L of pure water. A solution that contains 0.06 kg of sugar per liter enters a…

A: There is no such introduction for the solution.I have explained it within the solution.Please go…

Q: ..) If an arrow is shot straight upward on the moon with a velocity of 73 m/s, its height (in…

A:

Q: he number q of roller blades a firm is willing to sell per week at a price of $p is given by q =60…

A: In the given question, concept of derivative is applied. Derivative The derivative expresses the…

Q: How does 2sec(t/2) is equal to 1/2sec(t/2)?

A:

Q: An inverted pyramid is being filled with water at a constant rate of 55 cubic centimeters per…

A: Introductions :We have given an inverted pyramid.water rate = 55 cm3/secside length = 7 cm height =…

Q: 5. If f(x) = (1 +", find f"(40). %3D 20. (A) 0.068 (B) 1.350 (C) 5.400 (D) 6.750 (E) 540.000 O A O E

A:

Q: The time, T seconds, taken by a pendulum of length 1 metres to complete one swing is given by T =…

A:

Q: Kaiar is planning to use buckets to catch the dripping water she places a bucket under the drip and…

A: Ratios are used to compare two like quantities. For example, if there are 10 red(r) and 11 blue(b)…

Q: A television camera is positioned 8 km from a helicopter landing pad. The helicopter is rising…

A:

Q: Find all values of x (if any) where the tangent line to the graph of the function is horizontal. y =…

A: Question 1: When a tangent line is horizontal to the graph of function , that means the slope of…

Q: A tourist drops a stone off a cliff and it falls into an ocean. Let s(t) represent the position of…

A: Given that a tourist drops a stone off a cliff and it falls into an ocean.Let s(t) represent the…

Q: The radius of a circle is increasing at the rate of 3.9 cm/sec. Initially, the radius has a length…

A: The radius of a circle increases at the rate of cm/sec.Initially, the radius has a length of cm.The…

Q: The blood glucose level (L units) of a patient t hours after the injection of a certain kind of…

A: a) The given equation is  L=9-A0.37t Initially, the blood glucose level is 4 units so when t =0 then…

Q: The position of an object (in metres) is given by the function s(t) = 4x² − 3x + 7. Use a table to…

A: The position of an object (in metres) is given by the function s(t) = 4t^2-3t+7. Use a table to find…