If a helicopter's mass is 4,500kg and the net force on it is 18,000 N upward, what is its acceleration?

What happens to the density of the mass decreases but the volume remains the same?

The time separating high tides is 12 hours and 25 minutes. A high tide occurs at 3:10 p. m. The next low tides occur at 9:30 AM and 9:00 PM the next day. True or False? Provide calculations.

Heat is flowing through a slab of material by conduction heat transfer; and the heat flux is 16500W/m^2. If the slab is 3.0 cm thick and the thermal conductivity is 18 W / (m K), what is the temperature difference across the slab?

If the horizontal component of a vector is 6 m/s and the vertical component is also 6 m/s, what is the resultant value of the vector? A. 6 m/s B. 8.5 m/s C. 10.4 m/s D. 12 m/s

How do vafiations in electronegativity result in the unequal sharign of electrons in polar molecuels?

Use your knowledge of the state of matter and the other physical properties of matter to write an explanation for what may have caused the following situation: Although it hasn't rained in a week, every morning the grass and the car windows are wet.

What is three example of technology

Lisa has three classes that each last 50 minutes qhat ia the total nuber of minutes of minutes of the three classe?

Which has a greater speed a heron hat travels 600m in 60 seconds or a duck that travels 60 m in 5 seconds? Explain

A machine shovel moves dirt at the rate of 1,100 pounds of dirt 1 foot in 1 second. How many horsepower is this?