When the total amount of a quantity is the same before and after some event occurs, we say that the quantity is (blank)

A horse is running at 12m/s accelerated to 38m/s in 10 seconds. What is the horses acceleration.

A linear accelerator uses alternating electric fields to accelerate electrons to close to the speed of light.

A horse runs around a circular track that is 350.0 m long. He runs clockwise from the start line back to the start line, then turns back and goes counterclockwise back to the start line again. What is the horses displacement? A. 0 m B. 300.

A thin slit illuminated by light of frequency f produces its first dark band at ± 38.2 ∘ in air. When the entire apparatus (slit, screen and space in between) is immersed in an unknown transparent liquid, the slit's first dark bands occur instead at

Technician A says that battery corrosion is commonly caused by spilled electrolyte. Technician B says that battery corrosion is commonly caused by electrolyte condensation from gassing. Who is correct?

What is the value of 9682 when rounded to three significant figures

Why do atoms move at different speeds depending on wether they are liquids or solids

What are the arrangement of resistors in series

A cell provides 6 V to an LDR. The current through this LDR is measured and is found to be 3 A. What is the resistance of the LDR?

A car travels along eastward with a constant velocity. the magnitude of the acceleration of the car is