A 20 kg dog on ice skates is accelerating at 2 m/s^2. What is the net force on the dog?
Ο
Ο Α. 2N
Ο
Ο Β. 1ON
Oc. 22 Ν
Ο
Ο D. 40

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?

At an oceanside nuclear power plant, seawater is used as part of the cooling system. this raises the temperature of the water that is discharged back into the ocean. the amount that the water temperature is raised has a uniform distribution over the interval from 10° to 25° c. what is the standard deviation of the temperature increase?

Where is the potential energy throughout the loading, cocking, and releasing of the trebuchet?