Why does a clear stream always appear to be shallower than it actually is?

as a car drives past a person standing on a sidewalk, the driver keeps a hand on the horn. how does the pitch of the horn differ for the driver and the person standing on the sidewalk?

Which phrase describes inertia? a. the force possessed by a moving object b. the rate at which velocity changes over time c. the tendency of an object to remain in motion d. the mass required for a constant rate of acceleration

One type of wave used to transmit a signal is a

A cart of mass m moving right at speed v collides with an identical cart moving right at half the speed. the carts stick together. what is their speed after the collision

The slope of the distance-time graph is equal to the A. speed B. acceleration C. displacement D. motion

Molecules can be made of atoms Of the same element only different elements only the same or different elements

What are glacial grooves?

Calcaute the work done by a 47 n force pushing a pencil 0.26m.

If a car has a speed of 85 m/s and travels for 120 seconds, how far does it go?

Why internal energy is not sufficient to compare macro and micro states