Discuss the changes in potential energy, kinetic energy, and total energy for a skateboarder going up and down on a half pipe (u-shaped) ramp. specially address the energies when the skater is at the highest point, the lowest point, and half-way down the ramp

Refer to interactive solution 17.45 to review a method by which this problem can be solved. the fundamental frequencies of two air columns are the same. column a is open at both ends, while column b is open at only one end. the length of column a is 0.504 m. what is the length of column b?

Including 6% sales tax, an inn charges $135.68 per night. find the inns nightly cost

Sara has been reading about different types of financial grants, including federal pell grants, academic competitiveness grants, smart grants, and teach grants. which statement about these grants is true? filling out a fafsa will not her apply for these grants. she will not have to pay back any funds she receives from these grants. these grants only go to students with less than a 3.0 gpa. she will have to pay back all the funds she receives from these grants.