What is the wave speed of a sound wave if the frequency is 70 hertz and the wavelength is 0.4 meters

What is an accurate definition of a heat engine?

Why it is so painful to be stepped on accident by high-heel shoes?

You are on a cruise ship traveling north at a speed of 13 m/s with respect to land. 1) if you walk north toward the front of the ship, with a speed of 2.8 with respect to the ship, what is your velocity with respect to the land

Based on the table and your knowledge of waves, what can you conclude about the wavelength of mechanical waves compared to electromagnetic waves? A) Mechanical waves have greater amplitude. B) Mechanical waves tend to have longer wavelengths.

Which component, located in the center of the axle housing, transmits torque to the drive wheels while also allowing the wheels to rotate at different speeds when cornering?

Estimate how long it would take one person to mow a football field using an ordinary home lawn mower. suppose that the mower moves with a 1-km/h speed, has a 0.5-m width, and a field is 360 ft long and 160 ft wide. 1 m = 3.281 ft.

Badri makes the table below to review the factors that affect the electric force between objects. Which change will correct the error in Badri's table?

A star with the same mass of the sun has a newly discovered planet whose semi-major axis of 2.48 au and an eccentricity of 0.08. what is the aphelion distance of the new planet

A weather balloon is inflated to a volume of 2.2 x 10^3 L with 374 g of helium. What is the density of helium in grams per liter?

What is the result of a mutation during replication A: the strands are different B: the strands are identical c: the strands are broken D: the strands are continuous