A bicycle and its rider have a combined mass of 80 kg and a speed of 6 m/s. What is the magnitude of the average force needed to bring the bicycle and its rider to a stop in 4 seconds?

Which of the following describes the speed, but not the velocity of an object? 60 miles per hour 60 miles per hour south 30 miles north 30 miles per hour south

The atomic number of an element refers to the number of protons it has.

What is used to create sounds of different pitches and tones by musicians?

The unit of measurement "mL" describes what property of a substance? A. mass B. length C. volume D. density

In standing wave no of loop depend on what?

What happens to the period of a spring-cart system motion when the system is in orbit inside the international space station?

Ovens, toasters, dryers, and heat lamps are examples of inventions that convert electrical energy to thermal energy, which is a kind of kinetic energy.

Why does Alpha Centauri appear to be yellow-white?

In order to determine speed, you must know

Which of the statements best describes the relationship between the surface of an object and the amount of friction it produces? A.) The smoother the surface of an object, the more friction it will produce. B.