A block with a mass of 4kg is pushed across a frictionless surface with a force of 8N for a time of 3s. What is the velocity of the block after the push?

Like a key in a lock, the shape of the. must bind with the. of the recieving neuron

The image shows the positions of a car on a roller coaster track. arrange the cars in order based on their gravitational potential energy. begin with the lowest potential energy and end with the highest.

An architect plans to use solar energy to heat the next house he designs. what principle of absorption and infrared energy can be applied to the design of the new house? how could she apply to those principals?