A child is enjoying a swing at the park. At the bottom of the swing, they have a kinetic energy of 6028 J and a velocity of 20 m/s. What is the mass of the child? ​

In order of decreasing light-transmitting capabilities of materials, which is the correct sequence? a. transparent -> translucent -> opaque b. opaque -> transparent -> translucent c. opaque -> translucent -> transparent d. translucent -> transparent -> opaque

1kg of water needs to recieve 4200j of energy to go from 90 degrees to 91 degrees. what is the specific heat capacity of water? what are the units?

Which of the the following are examples of projectile motion of both projectile motion and two dimensional motion