A child's toy rake is held so that its output arm is 0.75 meters. If the mechanical advantage is 0.33, what is

the input arm length?

A fox with a thick fur would have a survival advantage over other foxes if

Blank objects is a major cause of back injuries in the workplace

A rigid tank contains 1 kg of air (ideal gas) at 15 °C and 210 kPa. A paddle wheel supplies work input to the air such that final temperature is 97 "C. The specific heats are Cp 1.005 kJ (kg. K) and C-0.718 kJ / (kg. K).

the lever in the figure below accomplishes 5.0 newtons-meters of work raising a 25 newton weight. How far, in meters is the weight raised?

If you shine a beam of red light and a beam of green light on the same area of a screen, what color will you see on the screen?

What do radio waves and microwaves have in common? A. Both have shorter wavelengths than visible light. B. Both are located to the right of visible lights on the spectrum. C. Both have higher frequencies than visible light. D.

How long can you keep string cheese in the fridge?

A particular motor can provide a maximum torque of 110 n • m. assuming that all of this torque is used to accelerate a solid, uniform, cylindrical flywheel of mass 10.0 kg and radius 3.

Round your answers to one decimal place. This parallel circuit has two resistors at 15 and 40 ohms. What is the total resistance? Ω If there is a 12 V battery in the circuit, what would the approximate current be? A

Energy transfer by convection is usually restricted to what type of substance?