One day at soccer practice, you kick a ball hard and it rolls across the grass. It eventually comes to a stop because

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

A parked car stays in the same place until someone moves it. This is an example of?

A 1 cm^3 block with a density of 0.92 g/cm^3 is floating in a container of water (d = 1g / cm^3). You may ignore any air pressure throughout this problem. What buoyant force is necessary to keep the block from sinking?

How many times louder is the intensity of sound at a rock concert in comparison with that of a whisper, if the two intensity levels are 130 dB and 2 dB, respectively?

According to the collision theory, all collisions do not lead to reaction. Which choice gives both reasons why not all collisions between reactant molecules lead to reaction? 1.

Which one of the following is not an organic compound? Why? CH4 C2H6O Ca0

Which structure connects muscles to bone?

A firefighter mounts the nozzle of his fire hose a distance 36.9 m away from the edge of a burning building so that it sprays from ground level at a 45° angle above the horizontal. After quenching a hotspot at a height of 8.

A force is applied to a 13.0 kg wagon to pull it down the sidewalk at a constant speed. The coefficient of kinetic friction is 0.65. Considering the resulting frictional force, what is the magnitude of the applied force?

What field (s) does a moving electron have? A. electric and gravitational fields B. magnetic and gravitational fields C. gravitational, electric, and magnetic fields D. electric field only