Is matter unlimited

Earthquakes produce transverse waves. If a secondary wave of an earthquake is measured from crest to crest to be 23000 m and it travels at 4500 m/s, calculate the wave's frequency.

Without the force of friction, people would not be able to walk.

What is net force? A. The fundamental forces B. The unified force C. The gravitational force D. The vector sum of the forces

A phone falls out of your hand. If it hits the ground 1.8 s later how fast was it falling when it hit the ground?

The diagram shows a person holding a bow and arrow. Which will most likely increase the kinetic energy in this system? a not releasing the string b increasing the mass of the arrow c releasing the string d pulling back less on the string

A truck is using a hook to tow a car whose mass is one quarter that of the truck. If the force exerted by the truck on the car is 6000 N, then the force exerted by the car on the truck isa. 1500 Nb, 24000 Nc, 6000 Nd, 12000 N

A car traveling at a speed of v can brake to an emergency stop in a distance x. assuming all other driving conditions are all similar, if the traveling speed of the car doubles, the stopping distance will be

Why would an orange roll off your cafeteria tray if you stopped suddenly

Each shell is limited to a maximum of four electrons. True or False?

What is a hypothesis answer sentence for a lemon battery experiment