What is the mass of an object that weighs 686N on Earth?

Overtime, the mushrooms that grow in a certain forest have been over harvested by humans. As a result, the number of mushrooms in the area has decreased dramatically. How will this most likely affect the environment?

A bad case of the tonsillitis can sometimes affect a persons breathing how possible

An automobile starts from rest and travels down a straight section of road. The distance s (in feet) of the car from the starting position after t seconds is given by s (t) = 5t3 (a) Find the instantaneous velocity (in feet per second) at t=

Straight-in spaces can leave you a safer out if

A scientific theory is what?

A starship passes Earth at 80% of the speed of light and sends a drone ship forward at half the speed of light rela - tive to itself. Show that the drone travels at 93% of the speed of light relative to Earth.

Rubies are used in electronics

Two kids are on a merry-go-round that is turning at a constant rate. ariel is near the outer edge, and bob is closer to the center. ariel has answer (smaller, the same, or greater angular speed?

Visit this website and locate the element mercury, whose chemical symbol is Hg. Click on the square to read about the history, properties, and uses of mercury. Name three uses for mercury.

Ten seconds after starting from rest, a car is moving at 40 m/s. what is the car's acceleration in meters per second per second?