A person began running due east and covered 15 km in 2.0 hr. What is the average velocity of the person?

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Question 7 Review Which particles are not affected by the strong force? A. hadrons B. protons C. neutrons D electrons Submit A Hide Toolbar

The cause of change in momentum is: change in inertia impulse change in force energy

When light enters at an angle a medium with higher index of refraction, it A. bends away from the normal B. bends towards the normal C. does not bend D. is completely reflected

Two current-carrying wires are parallel to each other. The current in one is increased by a factor of 2, the current in the other is increased by a factor of 3, and the distance between the wires is decreased by a factor of 13.

A 47.4 kg student runs down the sidewalk and jumps with a horizontal speed of 42 m/s onto a stationary skateboard Both the student and skateboard move down the sidewalk with a speed of 3.95 m/s. What's the skateboard's mass?

4. A car of mass 2000 kg is traveling at 45 m/s when the driver spots a policeman anead. i ne univer apprivo the brakes lightly for 3.0 seconds until he slows down below the speed limit. If the average force applied by the brakes was 1.

When does a scientist create the conclusion?

When using a simple machine, the force you must overcome. A simple machine usually multiplies the effort force to exceed the this. Example: Lucy lifts a sack of potatoes using a pulley. The weight of the sack of potatoes is this.

How is ecology diffrent from earth science

Which theory was first proposed by Albert Einstein? A. the theory of special relativity B. the theory of universal gravitation C. the theory of inertia D. the theory of radioactivity ... the answer is A i just found out