Mechanical advantage is a measure of how much a machine multiplies the input

A) efficiency. B) force. C) power. D) work.

Captain hook orders peter pan to walk the plank from which he falls into the sea 18m below. Peter pan claims that his life flashed before his eyes during his fall. How much time is available for this?

Which is a function common to both the muscular and skeletal systems?

A two-stage rocket is traveling at 1210m/s with respect to the earth when the first stage runs out of fuel. Explosive bolts release the first stage and push it backward with a speed of 40m/s relative to the second stage after the explosion.

8. A tuning fork vibrating with a sonometer wire 20cm long produces 5 beats per second. Given that the beat frequency does not change if the length of the wire is changed to 21cm, calculate the frequency of the tuning fork and frequency of sonometer

An object pulled to the right by two forces has an acceleration of 2.5m/s2. The free-body diagram shows the forces acting on the object. What is the weight of the object?

Apply why does a box on the seat of a car slide around on the seat when the car speeds up slows down or turns a corner?

Solve the following automotive-services problem. Remember I = E/R, where (I = amps) against resistance (R = ohms) in the electric field (E = volts.). Resistance = 0.2 ohm Current = 30 amps Voltage = 6 (T/F)

1: Explain how you can use Boyle's Law to determine the new volume of gas when its pressure is increased from 270 kPa to 540 kPa? The original volume of gas was 1 L. Assume the temperature and number of particles are constant.

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If a skater who is spinning pulls her arms in so as to reduce her rotational inertia by half, by how much will her angular momentum change? by how much will her rate of spin change?