Ama

This page lists questions and answers that were posted by visitors named Ama.

Questions

The following questions were asked by visitors named Ama.

A hockey puck sliding on the ice with velocity 10m/sec is stopped by a goalie in 0.10sec. what is the goalie stopping distance ∆x in doing so.

A model rocket is launched with an initial velocity of 10 m/sec at an angle of 45° to the ground. What is the total time of flight? What is the highest point in its trajectory? What is the horizontal range archieved?

If a particle goes from location Xi = 10i + 5j + 2k to location Xf = 15i – 7j + 10k in a time ∆t = 5 sec. what is the average velocity and average speed of the particle?

A diver runs horizontally off the end of a diving board with an initial speed of 1.75 sec. If the diving board is 3.0 m above the water line, what is the diver’s speed just before she enters the water?

A dragster and a driver together have mass of 942.2 kg. the dragster starting from rest attains a speed of 25.5m/s in 0.56 s. 1. find the average acceleration of the dragster during this time interval? I really need the formula 2. What horizontal force do...

A 7.24 g bullet moving at 636 m/s penetrates a tree to a depth of 4.87 cm. Use energy considerations to find the average frictional force that stops the bullet. Answer in units of N B) Assuming that the frictional force is constant how much time elapsed b...

A wheel has a radius of 2.2 m. How far (path length) does a point on the circumference travel if the wheel is rotated through an angle of 190 rad? Answer in units of m

Use a Double- or Half-Angle Formula to solve the equation in the interval [0, 2π). (Enter your answers as a comma-separated list. Round your answers to three decimal places where appropriate.) sin 2θ + sin θ = 0

If a projectile is fired with velocity v0 at an angle θ, then its range, the horizontal distance it travels (in feet), is modeled by the function R(θ) = v02 sin 2θ 32 . If v0 = 2600 ft/s, what angle (in degrees) should be chosen for the projectile to hit...

Use the elimination method to find all solutions of the system of equations. (Order your answers from smallest to largest x, then from smallest to largest y.) x − y2 + = 0 2x2+ y2 −9 = 0

Find the focus, directrix, and focal diameter of the parabola. y2 = 8x

Find the focus, directrix, and focal diameter of the parabola. x2 = 5y focus (x, y) = 0, 5/4 directrix:y=-5/4 focal diameter=5 Sketch its graph? my answers seem to be correct but i cannnot sketch the graph correctly.

Write the trigonometric expression in terms of sine and cosine, and then simplify. cos u + sin u tan u

Verify the identity. csc t − sin t/csc t= cos2 t

Find the first six partial sums S1, S2, S3, S4, S5, S6 of the sequence. 2, 5, 8, 11, . . .

Find the first six partial sums S1, S2, S3, S4, S5, S6 of the sequence. 1/2, 1/2^2, 1/2^3, 1/2^4'...

Find the nth term of a sequence whose first several terms are given. 6, 8, 6, 8, 6, 8, . . .

Find the first five terms of the given recursively defined sequence. an = 3an − 1 + 9 and a1 = 2

When aqueous solutions of iron (III) sulfate (Fe2(SO4)3) and sodkum hydroxide were mixed, a precipitate formed. What is the precipitate?

Find the horizontal and vertical components of the vector with the given length and direction, and write the vector in terms of the vectors i and j. |v| = 24, θ = 30°

Solve the given equation. (Enter your answers as a comma-separated list. Let k be any integer. Round terms to two decimal places where appropriate.) sin θ = root 2/2 and List six specific solutions.

A hot water cylinder whose length is 1.12m is to hold 200 liters.Find the diameter of the cylinder in millimeters.

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An object of mass M is subject to two constant forces: F1, pointing in the x-direction, and F2, pointing in the y-direction. Show that the motion is one of constant acceleration. Find the magnitude and direction of this uniform acceleration. (Use the foll...

The wheel of Fortune. a contestant gives the wheel an initial angular velocity of -5.95 rad/s and the wheel stops after 5.8s of constant acceleration. Determine the panel (e.g. $600 or bankrupt) that the yellow pointer will be on when the wheel stops. Ang...

How can ghana make e learning accessible to all

An insurance agent receives a salary of GHC550.00 and 2% commission on all sales over GHC8500.00. If his total income in a particular month was GHC1225.00, what was the amount of his sales for that month

Two horizontal vectors, 21 units North and 20 units East, are combined with a 10-unit vector vertically upwards. Find the angle between the resultant of the three vectors and the vertical one.

A square pinewood raft measures 4m on a side and is 0.3m thick .find how much of raft is beneath water Take density of pine 550kg/m and density of water 1000kg/m

Write a speech you would give to new students of your school telling them about the traditions in the secondary school

Kofi and Amazon. Shared.GH$. 4200.00 in the ratio 2:1. How much. will each receiventry

A body mass 6kg moving with a speed of 3m/s is acted on by a force of 18N For 4s. Find the speed of the body

Answers

The following answers were posted by visitors named Ama.

The KOH absorbed the carbon dioxide and caused it to form a precipitate at the bottom of the vial.

If a projectile is fired with velocity v0 at an angle θ, then its range, the horizontal distance it travels (in feet), is modeled by the function R(θ) = v02 sin 2θ 32 . If v0 = 2600 ft/s, what angle (in degrees) should be chosen for the projectile to hit...

50-36-12-89-14 that is past result to get next number

Did anyone get this: If the first qubit is in the state 2/sqrt(5)|0> - 1/sqrt(5)|1> and the second qubit is in the state 1/sqrt(2)|0> - i/sqrt(2)|1>, what is the state of the composite system?

tortoise= .12 m/s hare= .12 x 20= 2.4m/s rest= 2.0 minutes= 120 seconds part A 0.12 t = (2.4)(t-120 seconds)-.25 solve for t= for part B use part A's answer and multiply by the tortoise's speed.

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What is the correct form of goof in

What is the correct form of good in

A body of mass 100kg moves with velocity 5mls calculate the kinetic energy