A 1500 kg car travels 400 m in 12s .What is it’s momentum?

An electron has a mass of 9.1 *10^-31 kg. What is it’s momentum if it is traveling at a speed of 3.5*10^6m/s?

An object thrown vertically upward from the surface of a celestial body at a velocity of 36 m/s reaches a height of sequalsminus0.9tsquaredplus36t meters in t seconds. a. determine the velocity v of the object after t seconds. b. when does the object reach its highest point? c. what is the height of the object at the highest point? d. when does the object strike the ground? e. with what velocity does the object strike the ground? f. on what intervals is the speed increasing?

Aforce of 9.00 newtons acts at an angle of 19.0 to the horizontal. what is its component in the horizontal direction?

You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?