A projectile is fired with an initial speed of 40 m/s at an angle of 60 degrees above the horizontal. What is the range?

An object is 10. cm from the mirror, its height is 3.0 cm, and the focal length is 2.0 cm. what is the image height? (indicate the object orientation by including the + or - sign with the answer.) hi = cm +1.33 -1.33 +0.75 -0.75

One object has a mass of 1 kg and another object has a mass of 3 kg. if the speeds are the same, which of the following is true about their kinetic energy?

Convection occurs when thermal energy is transferred by the movement of