the speed of sound in the air is about 340m/s. what is the wavelength of a sound wave with a frequency of 400Hz?

A constant net torque is exerted on an object. Which of the following quantities for the object cannot be constant? (Select all that apply.) A. kinetic energy B. angular velocity C. angular acceleration D. moment of inertia E. angular position

The pressure in a fluid is affected by which characteristic of that fluid? A. The weight of the fluid B. The gravity of fluid C. The amount of oxygen atoms in the fluid D. The amount of hydrogen atoms in the fluid

One radian per second is equal to?

You design a vessel to withstand the pressure of seawater at a depth of 350 m. 1. At this depth, what is the net force due to the water on the outside and the air inside the bell on a circular glass window 30.

A girl on a backyard trampoline bounces straight upward with an initial velocity of 4.5 m/s. what is the girl's velocity when she returns to the trampoline

What is the acceleration of all objects due to gravity? What does this mean?

Which is the correct formula for cellular respiration? a. 6 CO2 + 6 H2O + light energy → C6H12O6 + 6 O2 b. CO2 + H2O → C6H12O6 + O2 c. C6H12O6 + O2 → CO2 + H2O d. C6H12O6 + 6 O2 → 6 CO2 + 6 H2O + ATP energy

A tree is standing in the middle of a meadow. As you watch, the wind begins to blow and the tree bends. Which statement best explains how you could tell that a net force was acting on the tree? OA) The tree had momentum.

Consider two cars, a 700kg Porsche and a 600kg Honda Civic. The Porsche is speeding along at 40 m/s (mph) and the Civic is going half the speed at 20 m/s.

Which statement about an electron in the 4d state is correct? A. The magnitude of its orbital angular momentum is 6√ℏ. B. The largest orbital angular momentum it could have in any given direction is 4ℏ. C.