Beginning from rest, a block of mass m slides down a frictionless curve. after sliding downward by h = 0.60 m, the block encounters horizontal concrete and slides to a stop. the coefficient of kinetic friction between the block and the concrete is µk = 0.30. what is the stopping distance l?

Aballet student who learns with the of his instructor is demonstrating learning.

Aforklift raises a 1,020 n crate 3.50 m up to a shelf. how much work is done by the forklift on the crate? the forklift does j of work on the crate.

Match each vocabulary term to its definition. 1. electrons neutral subatomic particles found in the nucleus of the atom 2. neutron lowest energy position of an electron in an atom 3. photon the path of an electron around the nucleus of an atom 4. ground state negatively charged, subatomic particles 5. protons packet of energy of specific size 6. element substance with only one type of atom 7. orbital positively charged, subatomic particles found in the nucleus of the atom