Which of the following is an expressipn of velocity?

O

A. 55 mi north

O B. 55 mph

O C. 90 km

O

D. 90 km/h north

What changes in the 1970s and 1980s made cars more energy efficient?

Which example best illustrates a change from elastic potential energy to kinetic energy? A cook kneads bread dough, then pours it into a pan. A trampoline sags as a rock is gently lowered onto it.

You record the length of different people's feet is this an example of a controlled experiment true or false

The magnitude of the magnetic field at a certain distance from a long, straight conductor is represented by B. What is the magnitude of the magnetic field at twice the distance from the conductor

What is the validity of v=2Rg

Calculate the kinetic energy of a Cheetoh truck (yum) that has a mass of 290kg and is moving at 30m/s

Two cars approach each other; both cars are moving westward, one at 71 km/h, the other at 67 km/h. What is the magnitude of the velocity of the first car relative to (in the frame of reference of) the second car? Answer in units of km/h.

What is the SI Unit for amplitude?

Is not a way that you can communicate with another ariver. Your horn Your lights Eye contact Mental telepathy

The proper way to brake in an emergency situation with non-ABS brakes is to: (A) apply threshold braking (B) "pump" the brakes (C) lock the brakes (D) All of the above