The red team hits the ball over the net in 2 hits and it hits on the floor 2 times before the blue team can hit the ball.
O I point for the red team
0 1 point for the blue team
O 2 points for the red team

Do you agree with scientist’s prediction about the warming of alaska and other polar regions?

Modern physics a photon emitted from an excited hydrogen atom has an energy of 3.02 electron volts. which electron energy-level transition would produce this photon? a. n=1 to n=6 b. n=2 to n=6 c. n=6 to n=1 d. n=6 to n=2 i chose b but the correct answer is d can someone tell me why? and what's the difference?

Polly is pushing a box across the floor with a force of 30 n. the force of gravity is –8 n, and the normal force is 8 n. which value could describe the force of friction if polly could not move the box?