In 2009, usain bolt of jamaica set a world record of 9.58s in the 100m dash. what was his average speed?

What is p in physics?

Your mother is sure that you are driving too fast because she knows

A sound wave travels at 330 m/sec and has a wavelength of 2 meters. Calculate its frequency and period.

Why is output voltage from a transformer zero if the current in the primary coil is a direct current?

Which of these is not an example of work? A. Lifting a bag B. Holding a heavy weight C. Pushing a door open D. Kicking a ball

According to the kinetic-molecular theory, gases condense into liquids because of

What does sound travel throu better

How does a change in resistance affect the conductivity of a material? A) The lower the resistance, the worse the conductivity B) The lower the resistance, the better the conductivity C) The higher the resistance, the better the conductivity D) The

Two railroad cars, each of mass 6500 kg and traveling 80 km/h in opposite directions, collide head-on and come to rest. how much thermal energy is produced in this collision?

What is a result of using a machine?