Questions in Grade High-school

Questions in Grade High-school

[Homework Help] An oscillator makes 360 vibrations in 3 minutes. a. How many vibrations does it make in one minute? b. How many vibrations does it make in one second? c. What is its period in seconds? d. What is its frequency in hertz?

[Homework Help] Which metrical form was Pope said to have brought to perfection? A. The heroic couplet B. Blank verse C. Free verse D. The ode E. The spondee

[Homework Help] Under certain conditions, sound travels at approximately 1080 feet per second. If Marsala yells down a canyon and hears her echo 1.7 seconds later, approximately how deep is the canyon?

[Homework Help] If an object travels at five feet per second, how many feet does it travel in one hour?

[Homework Help] If [tex]f(x) = \left| x^2 - 50 \right|[/tex], what is the value of [tex]f(-5)[/tex]?

[Homework Help] The height (in meters) of a projectile shot vertically upward from a point 2 meters above ground level with an initial velocity of 24.5 meters per second is given by the equation: \[ h = 2 + 24.5t - 4.9t^2 \] where \( h \) is the height after \( t \) seconds. 1. When does the projectile hit the ground? 2. With what velocity does it hit the ground?

[Homework Help] The energy stored in foods and fuels is _________ potential energy. What kind of potential energy?

[Homework Help] Should one nation have the right to remove another nation's head of government from power? If so, when? If not, why?

[Homework Help] A wheel has a diameter of [tex]x[/tex] inches, and a second wheel has a diameter of [tex]y[/tex] inches. The first wheel covers a distance of [tex]d[/tex] feet in 100 revolutions. How many revolutions does the second wheel make in covering [tex]d[/tex] feet?

[Homework Help] A trundle wheel is used by surveyors to measure distances. It consists of a circular disc attached to a handle. One revolution of the wheel measures out exactly one metre. Find the diameter of the wheel.