4 meters and the frequency is 3 hz what's the wave speed

Technician A says that a power-assisted brake system reduces stopping distances compared to a nonpower-assisted brake system. Technician B says that the power-assisted brake system reduces the force that the driver must exert on the brake pedal.

How many miles of MgCI2 are there in 339g of compound?

What are 3 characteristics of a tornado?

a force 10N drags a mass 10 kg on a horizontal table with acceleration 0.2m/s. If the acceleration due to gravity is 10m/s2, a coefficient of friction between the moving mass and a table is?

A motorist travels 406km in 7.0hr what's the average speed in m/s

How does changing depth affect water pressure

The mass of a rigid rod is 0.60 kg and its length is 39.0 cm. Calculate the moment of inertia (in kg · m2) for the rod if it is pivoted about an axis through the center of mass of the rod. (Assume the axis is perpendicular to the rod.

Does a rolling basketball have kinetic energy

Noah Formula is in an airplane which is flying at constant speed in a circular course of radius 6500 m, circling O'Hare's airplane prior to landing. Noah observed that the plane completes each round trip in 345 seconds (5 minutes & 45 seconds).

What happens to particles when a substance gains energy and changes state?