A wave has a wavelength of 6 mm and a frequency of 9 hertz. What is its speed? what is the answer and units?

A 5kg mass has a force applied that changes its velocity from 8m/s to 2m/s in the same direction what is the change in momentum

Jake has noticed his best friend Alison cheating at chess several times this week. If she gets caught, she will be kicked off the chess team, of which she is the president. What should Jake do?

A bullet of mass m = 10 gram strikes a ballistic pendulum of mass m=2.0 kg. the center of mass of the pendulum rises a vertical distance of h=12 cm. assuming the bullet remains embedded in the pendulum, calculate its initial speed.

An object is dropped and falls freely to the ground with an acceleration of g. If it is thrown upward at an angle instead, its acceleration would be:

A star with the same mass of the sun has a newly discovered planet whose semi-major axis of 2.48 au and an eccentricity of 0.08. what is the aphelion distance of the new planet

Which of these waves cannot travel in a vacuum? electromagnetic wave sound wave microwave light wave

A uniform cylinder of radius R and mass M is mounted so as to rotate freely about a horizontal axis that is parallel to, and a distance h from the central longitudinal axis of the cylinder.

A car accelerates from 3.5 m/s to 17 m/s in 4.5 seconds. Find the acceleration of the car in m/s2

At do we call the cells that are made as the end result of meiosis?

A force of 6.0 newtons changes the momentum of a moving object by 3.0 kilogramâ¢meters per second. how long did the force act on the mass?