Questions in Grade High-school

Questions in Grade High-school

[Open]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?

[Open]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

[Open]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?

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

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

[Open]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?

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

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

[Open]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?

[Open]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.