Conditions for equilibriam

In order to use pythagorean theoremto find the magnitude of a resultant vector which must be true regarding the two initial vectors

A boxer hits a punching bag with a force. Describe what happens. A. Since the punching bag moves, the amount of force applied to the punching bag is greater than the amount of force punching bag applies on the boxer's hand. B.

A basketball is pressurized to a gauge pressure of PG 75 kPa when at the surface ofa swimming pool (Patm 101 kPa). The ball is then submerged in the pool of water which has a density p - 1000 kg/m.

Determine the average acceleration for x (t) = 19t^2+7t^3 for a time interval between 3 and 9 seconds

Why it's easy to slip on a floor that is wet

The ability of an apple to change color when exposed to air is chemical or physical

A man exerts 1000 Newtons of force to move a very large couch 2 meters. If it takes him 5 seconds to move the couch, how much power does it require?

Conditions for equilibriam

A 1200-kg car is pulling a 500-kg trailer along level ground. Friction of the road on the trailer is negligible. The car accelerates with an acceleration of 1.3 m/s2. What is the force exerted by the car on the traile

Which is the fundamentals law of energy?