Which statement describes a digital signal?

It is made of numbers.

It copies sound.

It amplifies extra signals.

Which statement is true according to Newton's second law of motion? An object accelerates in the direction opposite to the direction of the force applied. An object accelerates in the direction perpendicular to the direction of the force applied.

You throw a ball vertically upward so that it leaves the ground with velocity 6.48 m/s. (a) what is its velocity when it reaches its maximum altitude

F the tube length is 1 m, what is the wavelength of 1 wave

Which celestial body is named after a Roman god or goddess? Ceres Haumea Titania Ariel

If an alpha particle and a beta particle have the same energy, which particle will penetrate farther into an object?

When did our Solar System begin to form? When did our Solar System begin to form? 5 million years ago 5000 years ago 5 trillion years ago 5 billion years ago

Which describes how radiation moves? radiation moves from a cooler object to a warmer object radiation moves from a warmer object to a cooler object radiation moves from a warm object to an object of the same temperature radiation moves from a cool

Why does the closed top of a convertible bulge when the car is riding along a highway? Why does the closed top of a convertible bulge when the car is riding along a highway? The air pressure is greater outside the car than inside.

Is a white shirt cooler or warmer in the sunlight?

A stone is thrown vertically upward with a speed of 18.0. (a) How fast is it moving when it reaches a height of 11.0? (b) How long is required to reach this height? For part A) I did: y=11m, g=9.