A car is traveling at 20meters/seconds and is brought to rest by applying brakes over a period of 4 seconds what is it's average acceleration over this time interval?

Classify each possible hypothesis about a medicinal aloe vera plant as falsifiable or non-falsifiable. Aloe vera gel is the best natural skin moisturizer. Aloe vera gel can heal wounds by boosting cell renewal.

How do I find the Static Friction of an object?

Which compound contains both ionic and covalent bonds? a.) CaCo3 b.) PCl3 c.) MgF2 d.) CH2O

Consider a box sitting on the floor. If you applied 275 Newtons of force horizontally to the right and the frictional force was 25 Newtons, What would be the magnitude and direction of the net force?

How much force is needed to stop an 80-kg football player if he decelerates at 5 m/s2? 5 N 16 N 20 N 400 N

What can change scientific knowledge?

6. What is ductility?

During practice, a baseball player hits a very high fly ball, and then runs in a straight line and catches it. Which had the greatest displacement during the time period from the hitting of the ball to its catching

Why are glass fibers stronger than bulk glass?

1. A 2000kg truck at rest accelerates to 45m/s in 7 seconds. What is its change in kinetic energy?