Caculate the acceleration of an airplane that goes from 0 knots to 400 knots in 8 seconds

Based on the graph, how would you describe the net forces acting on the moving object? a) net force equals zero. b) net force is greater to the right. c) there is no way to determine net force. d) net force is positive and to the right.

How many dots must be added to the symbol to properly represent a standard nitrogen ion? a) 1 b) 3 c) 5 d) 8

Lymphocytes known as blastocysts make antibodies that fight infection. select the best answer from the choices provided t f