Brad walks and jogs to schooll every day. He averages 5 km/hr walking and 9 km/hr jogging. The distane from home to shool is 6 km, and the total trip takes 1 hour. How far does Brad walk?

Swimmers at a water park have a choice of two frictionless water slides as shown in the figure. although both slides drop over the same height, h, slide 1 is straight while slide 2 is curved, dropping quickly at first and then leveling out.

What happens to the kinetic energy and gravitational potential energy of a ball during free fall?

Explain why an object underwater feels lighter than it is in air.

A child has an ear canal that is 1.3 cm long. At what sound frequencies in the audible range will the child have increased hearing sensitivity?

Describe an example where you want to solve for a balanced Fnet = 0N

Is a magnetic reversal a threat to life on Earth? Whay do you say?

What are the adaptions of the tundra

Based on the number of valence electrons, what is the correct formula when nitrogen bonds to hydrogen? A) NH2 B) NH3 C) NH4 D) N2H

Choose the correct statement about the currents through the elements. Choose the correct statement about the currents through the elements. The currents in series-connected elements are not the same and depend on a current or a voltage source.

5 potential causes of infertility