How to solve tension force problems with friction with three masses?

A boy and his skateboard have a combined mass of 65 kg. What is the speed of the boy and skateboard if they have a momentum of 275 kg •?

If you are driving 95 km/h along a straight road and you look to the side for 2.0s, how far do you travel during this inattentive period

What is the frequency of yellow light with a wavelength of 580 nm?

Which of the substances represents a gaseous state? A:snow B:water vapor C:a deflated ballon D:ice

How are elements with atomic masses greater than Uranium's made?

Which of the following statements correctly compares the frequency and energy of infrared waves and ultraviolet waves? A Infrared waves have lower frequencies than ultraviolet waves.

An object in the solar system orbits the Sun and has enough mass that its gravity has pulled it into a spherical shape, but it does not have enough gravity to clear its neighborhood of orbiting debris. This object is classified as:

An 8.5 l tire is filled with 0.55 moles of gas at a temperature of 305 k. what is the pressure of the gas in the tire?

Total internal reflection occurs only if

A radioactive nucleus at rest decays into a second nucleus, an electron, and a neutrino. the electron and neutrino are emitted at right angles and have momenta of 9.80 ✕ 10-23 kg·m/s, and 5.70 ✕ 10-23 kg·m/s, respectively.